A Latin term meaning "In proportion."

Loan issued against some security

A round wood plug inserted in a hole to cover a nail, screw, or bolt.

A pattern or template. Also a shape of metal or wood over or in which an object may be hammered or pressed to fit.

To attach a boat to a mooring, dock, post, anchor, etc.

The pressure which overcomes the total resistances in a system. It includes all losses as well as useful work.

Funds sent by one person to another as payment.

(1) A round eye through which a line is led, usually in order to change the direction of pull. (2) A thick piece of glass set flush in the deck to admit light below.

Two or more bearings are noted on the chart in order to determine the ship's position at the intersection of the two

A person in command of a ship. A person certified as competent to command a ship. A master mariner.

To hold off a boat with a staff, boathook, long spar, etc., to prevent her from coming along too heavily. also known as Fend Off.

Stowing cargo destined for a specific location close together to avoid unnecessary cargo movement.

A rest for a cargo-boom when lowered for securing for sea.

Transverse members fitted to the bottom side rails of a container, which support the floor.

Seamen who worked on the masts and yards of square-rigged ships.

Cargo-securing devices mounted in the floor of containers; allow lashing and securing of cargo.

Charge made for local hauling by dray or truck. Same as Cartage.

An instrument that uses sound waves to measure the distance to the bottom.

Straps to hook your feet under in cockpit when hiking out.

(1) The points of the jaws of a boom or gaff where they embrace the mast. (2) The outer ends of the crosstrees.