A unit of volume. A US gallon has 231 cubic inches or 3,785 liters.

A beam which supports a deck.

Is a positive displacement rotary compressor.

A knot used to tie two lines together.

Ice extending seaward from land to which it is attached.

Abbreviation for "Over, Short or Damaged" Usually discovered at cargo unloading.

An item such as a nail, screw, rivet or other device used to fasten objects together.

The tide with the least variation in water level, occurring when the moon is one quarter and three quarters full. The lowest high tide and the highest low tide occur at neap tide. The opposite is the spring tide.

To fake line back and forth on deck.

To receive goods from a foreign country.

An object bears so and so, when it is in such a direction from the person looking. To bear down upon a vessel, is to approach her from the windward.To bear up, is to put the helm up and keep a vessel off from her course, and move her to leeward.To bear aw ...

Polaris, the North Star, is visible in the northern hemisphere and indicates the direction of north. In the southern hemisphere the Southern Cross is used to find the direction of south.

Nautical equivalent of ceiling

As provided in the Shipping Act of 1984, a contract between a shipper (or a shippers association) and an ocean common carrier (or conference) in which the shipper makes a commitment to provide a certain minimum quantity of cargo or freight revenue over a ...

A labyrinth type filter having the active surfaces continuously splashed with oil. Most pollutants are absorbed by the oil which when circulated releases its pollutants, which sink by gravity to the bottom of the oil pan.

An instrument that can be modified or cancelled at any moment without notice to and agreement of the beneficiary, but customarily includes a clause in the credit to the effect that any draft negotiated by a bank prior to the receipt of a notice of revocat ...

A Customs document permitting the holder to temporarily carry or send merchandise into certain foreign countries (for display, demonstration or similar purposes) without paying duties or posting bonds. Any of various Customs documents required for crossin ...

The distance a boat can move around its anchor. Swinging room is important because if other boats or objects are within a boat's swinging circle they may collide.

The official who is in charge of a harbor, enforcing all its applicable regulations.

Line led forward, from quarter of a vessel, to prevent her from moving astern.