In sailboat racing, the mark or buoy that signifies one side of the starting line, opposite of the race committee boat.

The difference in pressure between the opening pressure and reclose pressure of a valve. May be expressed in percentage of set pressure or "psig".

Vertical frame components fitted at the corners of the container, integral to the corner fittings and connecting the roof and floor structures. Containers are lifted and secured in a stack using the castings at the ends.

Engineering science pertaining to gaseous pressure and flow.

White-lead and tallow used on standing rigging.

A clumsy and unskilled man.

Distinguishing flag of a merchant marine company flown from the mainmast of merchant ships.

The headway a vessel makes when luffed in the wind; the distance a sailing vessel will shoot up to windward when brought head to head in the act of tacking.

The tendency of a boat to move sideways in the water instead of along its heading due to the motion of currents or currents.

All matter consists of molecules which are in constant motion, but which are held together by molecular forces. In a solid the molecules are closely packed and arranged in such a pattern that the influence of the molecular forces is very strong. This give ...

Small birds that foretell bad weather and bad luck.

A draft payable upon presentation to the drawee.

The container of fresh water for drinking purpose used by the crew; formerly it consisted of a cask.

Fresh bread.

Is the temperature at which moisture begins to condense in a compressed air system.

A sudden squall of wind accompanied by lightning.

A nautical astronomical observation of the sun, moon, or a star, by which means a vessel's position can be determined. The sight was taken with a sextant at a specific time, determined by a chronometer.

freezing of a piston ring in its groove in a piston engine or reciprocating compressor due to heavy deposits in the piston ring zone.

To carry sail to the full limit of strength of masts, yards, and tackles.

To cast off all but one remaining line.