Running directly before wind and sea.

The number of revolutions per minute of the compressor shaft.

Canvas or wood seat attached a halyard to raise and lower someone to work on the mast

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

Any bend or hitch which slips as a result of being improperly tied; an improvised knot which is not a recognized maritime knot as used at sea.

To come up more into the wind

Snappy, seamanlike; a smart ship is an efficient one.

To measure the depth of the water with a lead. Also said of a whale when it dives to the bottom.

Response to an offer which varies the terms or conditions of that offer.

Pounds per square inch, gauge. Pressure indicated by a pressure gauge.

First voyage of a ship.

A common measurement of the internal volume of a ship with certain spaces excluded. One ton equals 100 cubic feet; the total of all the enclosed spaces within a ship expressed in tons each of which is equivalent to 100 cubic feet.

Depth measured; the number indicating depth on a chart; the process of measuring fuel or water in ships' tanks. A ship is thought to be "in soundings" when she is inside the 100 fathom line, and "off soundings" when she is outside that line. ...

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

The last part of a rope or last link in an anchor chain.

A wooden wedge fitting into a drainage hole in the bottom of a boat for the purpose of draining the boat when she is out of water.

An organization established by the members of an ocean conference acts as a self-policing force with broad authority to investigate tariff violations, including authority to scrutinize all documents kept by the carriers and their personnel. Violations are ...

The highest navigation bridge. It usually includes an added set of controls above the level of the normal control station for better visibility.

The point of equilibrium of the total weight of a containership, truck, train or a piece of cargo.

An anchor is said to bite when the flukes dig themselves into the ground and hold firm without dragging.