[meaning]

A beam attached to the top of the floors to add strength to the keel on a wooden boat.

That part of yard that lies between the lift and the outboard end of the yard.

The floor or bottom surface of the enclosed space under the deck of a boat

Time charter

See "Free of Particular Average."

[meaning]

A small flag placed at the mast head to show wind direction.

A deck with legs that can be jacked up or down. During operations, the legs rest on the sea-bed. When the rig is moved, the legs are retracted, leaving the rig floating. A jackup has normally no propulsion machinery of its own.

A drive arrangement for power transmission to compressors.

A hand held rock drill worked by compressed air.

Prefix before a ship's name to indicate that she is a steamship.

Abbreviation for "Transportation and Exportation." Customs form used to control cargo movement from port of entry to port of exit, meaning that the cargo is moving from one country, through the United States, to another country.

A measurement. Inside diameter.

A look-out is stationed in a position to watch for danger ahead. To be on guard against sudden opposition or danger.

A mast that is stepped (placed) on the keel at the bottom of the boat rather than on the deck. Keel stepped masts are considered sturdier than deck stepped masts.

A small freshwater mollusk that was accidentally introduced to North American waters via ballast water from a transoceanic vessel. The zebra mussel has had significant negative economic and ecological effects: It clogs water intake pipes and attaches to a ...

Used by some seamen to describe St. Elmo's Fire.

Fit and beautiful (describing a boat)

A line or cable secured between two points and used as a support for various purposes.