: Regular ship shaped vessel, production ship. Positioned by anchors or dynamic positioning. Has its own propulsion machinery.

A pole used as part of the sailboat rigging, such as masts, booms, gaffs, yards, etc. A vertical spar is a mast.

A small flat boat, usually inflatable.

The alternating motion of a boat, leaning alternately to port and starboard; the motion of a boat about its fore-and-aft axis.

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

A can buoy. A cylindrical buoy painted green and having an odd number used in the United States as a navigational aid. At night they may have a green light. Green buoys should be kept on the left side when returning from a larger body of water to a smalle ...

The standard atmosphere is defined as the pressure exerted by a column of mercury 760 mm high with a density of 13,595 g/cm

An old method of cleaning a vessels bottom by burning off weed, barnacles or other growth while the vessel was in dry dock or careened. Breaming was also known as graving.

A form of steam engine where a piston moves back and forth inside a cylinder, transmitting its motion to a driving shaft by a connecting rod and crank.

To capsize.

(1) The transverse measurement of a boat at its widest point. Also called breadth. (2) One of the transverse members of a ship's frames on which the decks are laid.

A ship drives when her anchor fails to hold and she is at the mercy of wind and tide, or when she can make no progress against the wind.

To approach something from upwind

A pressure below that of the existing atmospheric pressure taken as a zero reference.

A large, flat bottomed boat used to carry the mud from a dredge.

To keep close.

The use of a sound barrier separating the sound from the receiver.

The athwartship portion of a hull at the stern. The flat, vertical aft end of a ship.

Cargo loaded into a container by the shipper under shipper's supervision. When the cargo is exported, it is unloaded at the foreign pier destination.

When a ship's head or stern pitches suddenly and violently into the trough of the sea.