Is the temperature at which oil begins to flow under prescribed conditions.

Small marlinespike.

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

Galley smokestack or chimney.

Old sailor's term for a flat calm with no wind.

A measurement. The international unit of energy. One joule is equal to one WATT - second or 0.737 foot pounds.

A board that can be raised and lowered by pivoting in a watertight box called the trunk or well to increase the draft and lateral area of the hull, preventing the boat from sliding sideways. Unlike a daggerboard, which lifts vertically, a centerboard pivo ...

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.

To cast off all but one remaining line.

The logic of binary systems, such as control systems in which all operations may be reduced to on-off, open-closed, or similar dichotomous basis.

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.

The piston only compresses air with its stroke in one direction.

The water level used to record data on a chart. Usually the average low tide water level. It is the level below which depths on a chart are measured, and above which keights of a tide are expressed.

When the distance between the wave crests is less than normal.

The turbulent effect of air on the lee side of a sail when trimmed in too far.

A compartment forward where the chain cable is stowed.

Synonymous for all practical purposes with "Intermodal."

BTU. The amount of heat required to raise the temperature of one pound of water one degree Fahrenheit under set conditions of temperature and pressure.

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.

To come up more into the wind