To lay the head yards abox in a square rigged sailing vessel was to lay them square to the foremast in order to heave-to.

Warehouse Withdrawal for Transportation (WDT)Allows merchandise that has been withdrawn from a bonded warehouse at one port to be transported in bond to another port, where a superseding entry will be filed.

In physics, the concept that as the speed of a moving fluid (liquid or gas) increases, the pressure within that fluid decreases. Originally formulated in 1738 by the Swiss mathematician and physicist Daniel Bernoulli, it states that the total energy in a ...

The next grade above the beginning grade of ordinary seaman in the deck crew.

A member of the deck crew who is able to perform all the duties of an experienced seamen; certificated by examination; must have three years sea service. Also called Able Seamen and A.B.

When a perfect gas flows through a throttling with constant inlet and outlet pressures, the temperature of the gas is the same before and after it flows through the throttling. There is a temperature drop, however, during the passage of gas through the th ...

Combined supply and anchor-handling ship. Seismic ship: Conducts seismic surveys to map geological structures beneath the sea bed.

The top spoke (usually marked) on the steering wheel when the rudder is centered.

The quality, state or degree of being acid. In oils, acidity denotes the presence of acid-type constituents whose concentration is usually defined in terms of neutralization number.

A sail control used to change the athwartships lead of the jib sheet by pulling the sheet toward the centerline of the boat.

A hole through casing, bulkhead, floor or deck to enable one to reach work or gear.

An order to haul away or to heave around a capstan (pull).

Old term for the galley of a vessel situated normally on the deck and not between decks.

Above decks; without concealment of deceit (out in the open).

Alongside of. Side by side. Side by side ; by the side of.

ACRONYM - Actuator

A small boat, highly ornamented, with a high rising stem and sternpost. Used on the canals of Venice, it is propelled by a man standing near the stern using a single oar

U.S. Customs' master computer system, "Automated Commercial Systems."

The waters adjacent to a country over which it claims jurisdiction. also, Territorial Waters.

Sundays, holidays, included