Amidships

At or toward the middle of the vessel, whether fore-and-aft or athwartships.

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Related A-terms

Alternator

An engine-driven generator that converts mechanical rotation into alternating current, whi…

Aback

A sail that has been trimmed so the wind pushes against the reverse side of the cloth, fil…

Astern

In the water behind the vessel, or moving backwards.

Apparent wind

The wind actually experienced on board, produced by combining the true wind with the wind …

AIS

Automatic Identification System — a VHF-based transponder network that continuously broadc…

Athwartships

Running across the vessel from one side to the other, at right angles to the fore-and-aft …

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