Person who assists in saving life or property from a vessel wrecked near the coast. Often applied to a small boat that lies in narrow waters ready to wait on a vessel, if required.

Is that pressure of either motive fluid or discharge at which an ejector returns to stable operation following a period of unstable operation due to having previously reached the breaking pressure. There are two recovery pressures, one for motive fluid an ...

Method of securing a line around a spar by taking the standing part around the spar, then a half hitch around itself and the end tucked three or four times around its own part.

(1) A line by which the end of a spar is hoisted or lowered. (2) A line that holds up the boom when it is not being used. (3) A line from the upper mast which controls the height of the spinnaker pole.

Anchor cable is caught around the fluke or an object is caught around the anchor .

(1) The edge where the deck joins the hull; top edge of bulwarks. (2) The railing around the deck.

A method of payment for goods in which cash is paid at the time of order and the transaction becomes binding on both buyer and seller.

Machines in which the compressing element is a piston having a reciprocating motion in a cylinder.

A four sided sail bent onto a yard. Similar to a gaff sail, but with a wider throat.

To enter a port or harbor

The outer layer on a coalescing filter that prevents separated liquids from re-entering the air stream. Also known as anti re-entrainment barrier.

The curved part of a ship's hull where the side and the flat bottom meet.

A port that is not directly listed in the tide tables but for which information is available as a difference from a nearby standard port.

A small flat boat, usually inflatable.

A vessel is in soundings when she is in sufficiently shallow water for soundings to be made and used as an aid in the vessel's navigation.

Anchor is off the sea bottom when being heaved in .

An illegal form of discounting or refunding that has the net effect of lowering the tariff price. See also Malpractice.

Any object used to increase the drag of a boat and slow her down. Typically shaped like a parachute or cone opened underwater, drogues decrease a boat's speed in heavy weather. Also see sea anchor.

A line used for capsizing the sea anchor and hauling it in.

A large heavy knot usually made in the end of a heaving line to aid in accurate throwing.