In the past the largest tankers, now crude and product tankers with a deadweight between 45,000/70,000 and 80,000/100,000 tons.

A point beyond the midpoint of a ships length, towards the rear or stern.

A voyage or voyage leg made without any paying cargo in a vessel's tanks. To maintain proper stability, trim, or draft, sea water is usually carried during such movements.

Various kinds of commodities usually packed in sacks or in bags, such as sugar, cement, milk powder, onion, grain, flour, etc.

A vessel is wall-sided when her sides run up perpendicularly from the bends. In opposition to tumbling home or flaring out.

Cubic capacity of a vessels holds to carry packaged dry cargo such as bales/pallets

Tanker < 80,000 dwt (average freight rate assessment)

The frame upon which a vessel is built.

A space where alarm bells are installed on the bridge of a ship to trace or rectify any machinery faults. The computerized devices will report any fault immediately it appears and the engineers on board can attend to the necessary ramifications.

The bearing of an object 90 degrees from ahead (in a line with the middle of the ship).

A ship designed for the carriage of oil in bulk, her cargo space consisting of several or many tanks. Tankers load their cargo by gravity from the shore or by shore pumps and discharge using their own pumps.

Said of the bearing of an object which bears between the beam and the stern (further back than the ship's middle).

A band of stout canvass sewed on the sail across, with points in it, and earings at each end for reefing. A reef is all of the sail that is comprehended between the head of the sail nd the first reef-band, or between two reef-bands.

Openings in the side of a ship to carry off water from the waterways or from the drains.

(1) To deliberately sink a ship. (2) A small hatch; a round window in the side or deck of a boat that may be opened to admit light and air, and closed tightly when required.

An archaic practice. An acknowledgement of cargo receipt signed by a mate of the vessel. The possessor of the mate's receipt is entitled to the bill of lading, in exchange for that receipt.

The portion of a safety/relief valve that surrounds the spring. The spring housing.

A tackle used to haul the middle of each leech up toward the yard, so that the sail may be easily reefed.

A relative term used to describe the location of one object in relation to another, in which the object described is farther aft than the other. Thus, the mainmast is abaft the foremast (in back of).

Abeam of (alongside of).