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.

(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.

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 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.

Pieces of plank bolted to the outer end of the bowsprit, to reeve the foretopmast stays through.

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

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

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

A small flat boat, usually inflatable.

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

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

To lash up.

To enter a port or harbor

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

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.

Vessel moves to a new area for a new season.

A negatively charged ion.

Old name for bunting from which signal and other flags were made.

The top of a wave.

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.