A double block where the two sheaves lie in a plane one below the other, rather than alongside each other.

Tightly woven cloth used for sails, awnings, covers, dodgers and biminis; slang for sails.

Sailing close hauled. Sailing toward the wind as much as possible with the wind coming from the bow.

The names of battles or individual ship actions in which a warship has taken part, usually displayed in a prominent place on a ship as a source of pride in her name. Known as Battle Stars in the U.S. Navy.

A letter of credit that requires the beneficiary to present only a draft or a receipt for specified funds before receiving payment.

An in-house bill of lading. A duplicate copy.

Type of mobile crane found on a truck.

An absolute temperature scale. ((

Openings in the bottom or transom of a boat to drain water when sailing.

A short piece of rope secured in the bow of a small boat used for making her fast.

An instrument for measuring, testing, or registering.

The adjustment of the standing rigging, the sails and the hull to balance the boat for optimum performance.

A penalty charge against shippers or consignees for delaying carrier's equipment beyond allowed time. Demurrage applies to cargo; detention applies to equipment. See Per Diem.

To remain nearly alongside another vessel.

Lift anchor off the bottom.

The equipment used to sail a boat, including sails, booms and gaffs, lines and blocks, etc.

On vessels constructed of wood, the narrow gap between the planks which form the decks and sides and were caulked to make them watertight. Since wood swells when it's in contact with water, a narrow seam is necessary to allow for the expansion.

To attach a line to something so that it will not move.

A phrase with a nautical derivation, meaning a man under the influence of drink or unsteadiness through drink.

Said of a vessel when she is shipping water on deck and it is running off through scuppers and freeing ports.