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L/T Long tons (2,240 lbs.).
Label A slip of e.g. paper or metal attached to an object to indicate the nature, ownership, destination, contents and/or other particulars of the object.
Lacing A length of line or thin rope
Ladder Stairs.
Lading: That which is loaded into a ship. The act of loading.
Lagan: Jettisoned goods that sink and are buoyed for subsequent recovery.
LAID-UP TONNAGE Ships not in active service; a ship which is out of commission for fitting out, awaiting better markets, needing work for classification, etc.
LAKER Type of ship which trades only in the Great Lakes of North America. They usually carry grain and ore cargoes.
LAN local apparent noon (nautical),local area network
Land breeze A wind moving from the land to the water due to temperature changes in the evening.
Land Bridge Overland transport between following and/or preceding sea transport of goods and/or containers.
LANDBRIDGE A system of through rates and service offered by a carrier for cargo shipments from a foreign port to a U.S. port, across U.S. land to another U.S. port and finally by sea to a foreign port destination.
Landfall Arrival at land
Lanyard A Short line or rope used to attach one thing to another
Lanyard A line attached to a tool.
Lapper A large foresail which extends aft behind the mast
Larboard Left. The term "Port" was used for helm commands to eliminate confusion with the similar-sounding "starboard." Eventually, the term "larboard" was completely eliminated.
Large: Said of vessel sailing with wind abaft the beam but not right aft.
Lascar: Native of east India employed as a seaman.
LASH Lighter aboard ship: A barge carrier designed to act as a shuttle between ports, taking on and discharging barges.
Lash To tie something with a line.
LASH SHIPS LASH stand for Lighter Aboard Ship. It is a specialized container ship carrying very large floating containers, or "lighters." The ship carries its own massive crane, which loads and discharges the containers over the stern. The lighters each have a capac
Lashing Point Point on a means of transport to which wires, chains, ropes or straps, which are used to hold goods in position, are attached.
Lask: To sail large, with wind about four points abaft beam.
Last Carrier The participating airline over which air routes the last section of carriage under the Air Waybill is undertaken or performed (air cargo).
Last In First Out A method of which the assumption is that the most recently received (last in) is the first to be used or sold (first out).
Lat latitute, local apparent time
Lateral and Front Stacking Truck High-lift stacking truck capable of stacking and retrieving loads ahead and on either or both sides of the driving direction.
Lateral Erosion: This is the erosion that widens a River valley and rounds the hillsides, cutting off the interlocking spurs.
latitude One of the two coordinates (the other being longitude) used to locate a position at sea; marked in degrees north or south of the equator, from 0 degrees at the equator to 90 degress north or south at the poles; one degree of latitude = 60 minutes of latit
Latitude Imaginary lines drawn around the world and used to measure distance north and south of the Equator. The North Pole is 90° north, the South Pole is 90° south, and the Equator is at 0°.
Latitude The angular distance of a position on its meridian north or south from the equator, measured in degrees ('a vessel at 25 degrees north latitude').
Latitude: This is a means of determining how far north or south of the Equator a vessel is. Imaginary lines of latitude are used in this process. The Equator is 0º. All other lines of latitude run parallel to the Equator up to 90º at the North Pole and to 90º at the South Pole. When you have worked out your latitude and longitude together you can determine a vessel's exact position.
Launch (1) to put a boat in the water. (2) a small boat used to ferry people to and from a larger vessel.
Launch A small propeller-driven boat.
Lay Aboard: To come alongside.
Lay Days The number of days allowed in a charter party for the loading and discharging of cargo. Lay days may be indicated in different ways e.g. consecutive days, working days, weather working days.
Lay Out: Order to men at mast to extend themselves at intervals along a yard. 2. To keep a vessel at a certain place until a specified time has elapsed.
Lay the Land: To cause the land to sink below horizon by sailing away from it.
Lay up to store a yacht away for the winter
Lay Up a Vessel Temporary cessation of trading of a vessel by the shipowner.
Laying on Oars: Holding oars at right angles to fore and aft line of boat with blades horizontal and parallel to surface of water. Is used also as a sarcastic term for idling, or not pulling one's weight.
LAYTIME Time allowed by the shipowner to the voyage charterer or bill of lading holder in which to load and/or discharge the cargo. It is expressed as a number of days or hours or as a number of tons per day.
LAY-UP Temporary cessation of trading of a ship by a shipowner during a period when there is a surplus of ships in relation to the level of available cargoes. This surplus, known as overtonnaging, has the effect of depressing freight rates to the extent that som
Lazarette Storage locker.
LAZARETTE A storage space in a boat's stern area.
LAZARETTE A storage space in a boat's stern area. Usually for storing rope
Lazarette, Lazaretto: Storeroom containing provisions of a ship. 2. Ship or building in which persons in quarantine are segregated.
Lazaretto Place where goods are fumigated, or where a person under quarantine is quartered.
lazy jack A line running from above the mainsail to the boom to aid in the lowering of the sail.
lazy sheet A line attached to a sail but not currently in use. The line currently in use is known as the working sheet. The working and lazy sheets usually change when the boat is tacked.
LBP length between perpendiculars
LBS lifeboat stations
LCB line of constant bearing
LCB longitudinal centre of buoyancy
LCD liquid crystal display
LCF longitudinal centre of flotation
Lead A lead weight which is attached to the line to find out how much water is below boat
Lead line A line with a weight on the end used to measure depth. The lead is dropped into the water and marks on the line are read to determine the current water depth. The lead usually has a cavity to return a sample of the bottom type (mud, sand, etc.)
Lead Time 1. The amount of time between the request of a service and the actual provision of this service.2. A span of time required to perform an activity. In a logistics context, the time between the initiation of a process and its completion.
League Three nautical miles.
League: Measure of distance three miles in length. One-twentieth of a degree of latitude.
Lease A contract by which one party gives to another party the use of property or equipment, e.g. containers, for a specified time against fixed payments.
Leasing Company The company from which property or equipment is taken on lease.
Leasing Contract A contract for the leasing of property or equipment.
LED light emitting diode
Lee The area to the leeward
LEE The side sheltered from the wind.
Lee Lurch: Heavy roll to leeward with a beam wind.
Lee, make a Use the ship as a windbreak to produce calm area downwind of ship.
Leeboard A board placed alongside a berth to keep its occupant from falling out when a boat heels.
leeboards boards fixed vertically to prevent leeway
Leech The aftermost edge of a for-and-aft sail
LEEWARD The direction away from the wind. Opposite of windward.
Leeward, lee'ard To the side away from the wind.
Leeway The sideways movement of a boat away from the wind, usually unwanted. Keels and other devices help prevent a boat from having excessive leeway.
Legging: Normally two people, one on each side of a narrow boat lay on their backs on the roof of the boat and walked along the roof of a tunnel.
LEL lower explosive limit (lower flammable limit)
LEM lower explosive mixture
LEO low earth orbit (satellite configuration)
LES land earth station
LESS THAN CONTAINER LOAD A consignment of cargo which is inefficient to fill a shipping container. It is grouped with other consignments for the same destination in a container at a container freight station.
Less than Container Load 1. A general reference for identifying cargo in any quantity intended for carriage in a container, where the Carrier is responsible for packing and/or unpacking the container.2. For operational purposes a LCL (Less than full container load) container is c
Less than Truck Load A term used if the quantity or volume of one or more consignment(s) does not fill a standard truck.
Lessee The party to whom the possession of specified property has been conveyed for a period of time in return for rental payments.
Lessor The party who conveys specified property to another for a period of time in return for the receipt of rent.
Letter of Credit A written undertaking by a bank (issuing bank) given to the seller (beneficiary) at the request, and on the instructions of the buyer (applicant) to pay at sight or at a determinable future date up to a stated sum of money, within a prescribed time limit
Letter of Indemnity Written statement in which one party undertakes to compensate another for the costs and consequences of carrying out a certain act. The issue of a letter of indemnity is sometimes used for cases when a shipper likes receiving a clean Bill of Lading while
Levant 1.Eastern end of the Mediterranean. 2. A regional wind in spain
Levees: Piles of rock or earth on each side of  River, they are used to stop high water from breaching the River's channel and cause flooding.
LF summer fresh water load line (timber)
Liability Legal responsibility for the consequences of certain acts or omissions.
Lie By: To remain nearly alongside another vessel.
Lie To: To shop a ship and lie with wind nearly ahead.
Lie: To remain in a particular place or position.
Lien A legal claim upon real or personal property to pay a debt or duty.
Lieutenant A commissioned rank. In the Navy, the term "First Lieutenant," "Second Lieutenant," etc, refer to their position aboard ship, and is not an official rank. However, these positions were assigned on the basis of seniority; the highest ranking lieutenant became the First Lieutenant, etc.
life boat A small boat used for emergencies, such as when the parent boat is sinking.
Life Cycle Cost Encompasses all costs associated with the product's life cycle. These include all costs involved in acquisition (research & development, design, production & construction, and phase-in), operation, support and disposal of the product.
Life jacket A device used to keep a person afloat. Also called a life preserver, life vest, PFD or personal flotation device.
life jacket, life preserver, life vest A device used to keep a person afloat. Also called a personal floatation device or PFD.
life raft An emergency raft used in case of serious problems to the parent vessel, such as sinking.
LIFEBOAT A specially constructed double ended boat which can withstand heavy, rough seas.
LIFEBOAT DRILL The master of every vessel is bound by international law to make the officers, crew and passengers adequately acquainted with the procedures of lowering and the use of lifeboats in case of emergency.
Lifeline A line running between the bow and stern of a boat to which the crew can attach themselves to prevent them from being separated from the boat.
Lifeline: A cable fence that surrounds the deck to assist in the prevention of crew falling overboard.
Lift-On Lift-Off Vessel Vessel of which the loading and discharging operations are carried out by cranes and derricks.
Light A lighted navigational aid such as a lighthouse that can be used at night or in poor visibility.
LIGHT DISPLACEMENT TONNAGE The weight of a ship's hull, machinery, equipment and spares. This is often the basis on which ships are paid for when purchased for scrapping. The difference between the loaded displacement and light displacement is the ship's deadweight.
Light Hand: Youthful but smart seaman.
Light Port: Scuttle or porthole fitted with glass.
Lighter A vessel designed to load or unload a larger vessel
LIGHTER General name for a broad, flat-bottomed boat used in transporting cargo between a vessel and the shore. The distinction between a lighter and a barge is more in the manner of use than in equipment. The term "lighter" refers to a short haul, generally in c
lighter A barge used to load and unload ships not lying at piers, or to move cargo around a harbor; to unload.
LIGHTER ABOARD SHIP An ocean ship which carries barges. These barges are loaded with cargo, often at a variety of locations, towed to the ocean ship, sometimes referred to as the mother ship, and lifted or, in some cases, floated on board. After the ocean crossing, the barge
Lighter Aboard Ship A vessel which carries barges.
LIGHTERAGE Charge for conveying cargo by lighters or barges.
Lighterage The carriage of goods within a port area by a barge, e.g. from a vessel to a quay.
LIGHTERING Conveying cargo with another vessel known as a lighter from ship to shore, or vice versa.
Lighthouse A navigational light placed on a structure on land.
Lightship A stationary vessel carrying a light used for navigation
Lightweight Weight of an empty vessel including equipment and outfit, spare parts required by the regulatory bodies, machinery in working condition and liquids in the systems, but excluding liquids in the storage tanks, stores and crew.
lightweight anchor An anchor that has pivoting flukes that dig into the ground as tension is placed on the anchor. It does not have a stock.
Limber Holes: Holes in floor timbers, or tank side-brackets, through which bilge water flows to pump suction.
LINE Rope and cordage used aboard a vessel.
Linear Programming A mathematical procedure for minimising or maximising a linear function of several variables, subject to a finite number of linear restrictions on these variables.
LINER A cargo-carrying ship which is operated between scheduled, advertised ports of loading and discharge on a regular basis.
Liner Conference A group of two or more vessel-operating carriers, which provides international liner services for the carriage of cargo on a particular trade route and which has an agreement or arrangement to operate under uniform or common freight rates and any other ag
Liner In Free Out Transport condition denoting that the freight rate is inclusive of the sea carriage and the cost of loading, the latter as per the custom of the port. It excludes the cost of discharging.
Liner Service The connection through vessels between ports within a trade.
Liner Shipping Company A company transporting goods over sea in a regular service.
Liner Terms Condition of carriage denoting that costs for loading and unloading are borne by the carrier subject the custom of the port concerned.
Linstock Rod with slow match to fire guns without flintlocks.
Lipper: Small sea that rises just above bows or gunwale.
List the leaning of a boat to the side because of excess weight on that side
Live Stock Cargo consisting of live animals, such as horses, cows, sheep and chickens.
LKP last known position
LLA Local Lighthouse Authority
LLATITUDE The distance north or south of the equator measured and expressed in degrees.
LLOYD'S REGISTER OF SHIPPING British classification society.
Lloyd's Register of Shipping British classification society.
LMT local mean time
LNG liquefied natural gas
LNG CARRIER Liquefied natural gas carrier, perhaps the most sophisticated of all commercial ships. The cargo tanks are made of a special aluminum alloy and are heavily insulated to carry natural gas in its liquid state at a temperature of -2850F. The LNG ship costs a
LO lubricating oil
LOA length over all
Load Quantity or nature of what is being carried. This term normally refers to transport by truck.
Load Factor Management The process of maximising the utilisation of the (slot) capacity of vessels and or other means of transport.
LOAD LINE The line on a vessel indicating the maximum depth to which that vessel can sink when loaded with cargo. Also known as marks.
LOADED LEG Subdivision of a ship's voyage during which the ship is carrying cargo.
Loaden Vessel Vessel where cargo has been put on board.
Loading The process of bringing cargo into a means of transport or equipment.
Loading Platform A flat surface to facilitate loading usually alongside a warehouse.
Loadmaster A load-calculator designed for a vessel approved by a classification bureau for the calculation of the vessels stability.
Loblolly Boy Sickbay attendant, assisted doctor during surgery.
Lobscouse: Nautical stew made with preserved meat and vegetables.
LOC letter of credit,letter of compliance (USCG)
Location 1. Any named geographical place, recognised by a competent national body, with permanent facilities used for goods movements associated with international trade, and used frequently for these purposes.
Loch: The Scottish term given to a lake or an arm of the sea.
Lock A device that allows boats to pass between bodies of water having different water levels, such as in a canal. A boat enters a lock, then large doors close behind it. The water level is then either raised or lowered until a second set of doors can be opened and the boat can pass through.
Locker A compartment, in a shed or on board of a vessel, used as a safekeeping place to stow valuable goods, which can be secured by means of a lock.
Locker Any storage place on a boat.
Locking-down: To go downhill.
Locking-up: To go uphill.
Lock-wheeling: This were by one or more crew members go forward along the towpath ahead of the boat to set the next lock in advance, ready in time for the arrival of the boat.
LOG A record of courses or operation. Also, a device to measure speed.
Log Book The daily report, authenticated by the master of all events and other relevant particulars of a vessel, attested by the proper authorities as a true record.
Logistics (CEN) The planning, execution and control of the movement and placement of people and/or goods and of the supporting activities related to such movement and placement within a system organised to achieve specific objectives.
Logistics Chain All successive links involved in the logistic process.
LOL limitation of owner's liability, loss of life
LONG TON 2,240 pounds.
LONGITUDE The distance in degrees east or west of the meridian at Greenwich, England.
longitude One of the two coordinates (the other being latitude) used to locate a position at sea; marked in degrees east or west of the prime meridien (0 degrees longitude) universally accepted to be at Greenwich, England. As there are 360 degrees in a circle, long
Longitude Imaginary lines drawn through the north and south poles on the globe used to measure distance east and west. Greenwich England is designated as 0° with other distances being measured in degrees east and west of Greenwich.
LOOKOUT A member of the crew stationed on the forecastle, or on the bridge, whose duty it is to watch for any dangerous objects or for any other vessels heaving into sight.
Loose To loose a rope is to let it go
Lop Small but quick-running sea.
LOP line of position
LOR letter of readiness
Loran A system of long range radio navigation used to find position
Lorry Motor truck used for transport of goods.
LOS line of sight, Law of the Sea
low tide The point of a tide at which the water is the lowest. The opposite of a high tide.
LP liquid petroleum,low pressure
LPC London Processing Centre
LPG Liquefied Petroleum Gas, or a carrier of LPG.
LPG liquefied petroleum gas
LR Lloyd's Register (classification society)
LSA Lloyd's standard form of salvage agreement
LSA Liner Shipping Agreements.
LST local standard time
LTD light displacement tonnage, lost during transhipment
Lubber: A clumsy and unskilled man.
Lubber's hole Hole in the tops to provide access from below.
LUBBER'S LINE A mark or permanent line on a compass indicating the direction forward parallel to the keel when properly installed.
Luff the front edge of a sail, and the flapping in the wind of the front of the sail (luffing)
Luff Up To steer the boat more into the wind, thereby causing the sails to flap or luff.
Luffing When the forward part of the sail is fluttering.
Luffing Crane A crane with which the load can be moved to or from the crane horizontally.
Lug or lugsail, a four sided sail bent onto a yard
Luggage Travellers' baggage, suitcases, boxes etc., normally accompanied by a passenger.
Lugger A boat, usually a fishing boat, rigged with lugsails
Lumper : Man employed in unloading ships in harbour, or in taking a ship from one port to another. Paid "lump" sum for services.
Lump-sum An agreed sum of money, which is paid in full settlement at one time. This term is often used in connection with charter parties.
Lump-sum Charter A voyage charter whereby the shipowner agrees to place the whole or a part of the vessel's capacity at the charterer's disposal for which a lump-sum freight is being paid.
Lurch: Sudden and long roll of a ship in a seaway.
LUT local user terminal
LW low water, winter load line (timber)
LW Leeway
LWL length on water line , low water line
Lying to Said of a vessel when stopped and lying near the wind in heavy weather.