A sail having battens that run the full horizontal length of the sail.

Anything that is straightforward and easy.

The aft edge of a sail, more commonly called the leech.

A nautical guy, often a negative connotation.

A weather prediction.

A short, confused sea.

Adjustable stays used to support and control tension on the mast when the wind is from abaft the beam; temporary backstays used to stabilize the mast and prevent undue flexing due to the pumping action of the sea.

To spill the sails is to take the wind out of the sails, either by heading up into the wind, or by easing the sheets to the point where the sails can hold no wind.

A material (such as oil) used between moving parts of machinery to make the surfaces slippery and reduce friction.

Wood boards used to cover the ribs, frames, deck or hull of a wooden vessel.

(1) To stop moving. (2) Usually air travels smoothly along both sides of a sail, but if the sail is not properly trimmed, the air can leave one of the sides of the sail and begin to stall. Stalled sails are not operating efficiently.

A load sufficient in size to fill a container either by cubic measurement or by weight.

The highest temperature at which well-defined liquid and vapor states exist.

Short ton

A bow pivot line used in docking and undocking, or a dock line leading aft from the bow to prevent the boat from moving forward while made fast to a dock or pier.

Path through open water used for commercial vessel passage and so noted on chart

CFM. An airflow measurement of volume.

Effective June 18, 1984, describes the law covering water transportation in the U.S. foreign trade.

Shortening of the old term "boatswain," an unlicensed member of the crew who supervises the work of the deck men under direction of the first mate.

The piece of board on which a man working aloft is swung.