The ability of a seaman to foretell weather by the appearance of the sky, change of wind direction, etc. was handed down in the form of proverbs. Some well known are:

A short strut on a mast angled forward at about 45

A journey made at sea by a vessel, usually including both the outbound and homebound passages.

the attraction to, and retention of particles in, a filter medium by electrostatic forces, or by molecular attraction between the particles and the medium.

A threaded, adjustable fitting, used for stays, lifelines and sometimes other rigging. It is used to to maintain correct tension on standing rigging. Can also be used to pull objects together.

Kilowatt hour - A unit of work, being the work done in one hour at the rate of 1,000 watts.

The compass points of North, East, South and West. Intercardinal or half-cardinal points are Southeast, Southwest, Northwest and Northeast

Overhanging part of a vessel's stern. The area of the upper deck of a ship that is nearest the stern.

Namely. Used in tariffs to specify commodities.

A type of anchor with a heavy inverted mushroom shaped head. Mushroom anchors are used to anchor in mud and other soft ground.

A line used to hoist or lower a sail, flag or spar. The tightness of the halyard can affect sail shape.

Insufficient number of crew; shorthanded.

Oscillations of the sea caused by wind blowing along the surface and moving in the direction from which the wind blows.

A strong tropical counterclockwise revolving storm the southern hemisphere. In the northern hemisphere these storms revolve clockwise and are known as hurricanes.

A rope used for towing or, mooring.

A compressor belonging to the group of dynamic compressors. Characterized by having its flow in the axial direction.

Inlet butterfly valve. These are fitted on the inlet of most types of compressor and the valve opens and closes to throttle the air flow. However, the term IBV is usually associated with turbo compressors.

A crack or hole that accidentally admits a gas or lets it escape.

A sea which is traveling in the opposite direction to that of the boat

Fittings on the mast to which the forestay and shrouds attach.