Trim

To adjust a sail's controls to produce optimum drive and lift.

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Related T-terms

Tail

To hold, and keep tension on, the free end of a line while a winch grinder takes turns on …

Through-hull

A fitting that passes through the hull to admit or discharge water (for engine cooling, he…

Topsides

The outer sides of the hull between the waterline and the deck.

Tune

To adjust the tension and alignment of the standing rigging so the mast stands straight an…

Tackle

An arrangement of blocks and line that provides mechanical advantage.

Turnbuckle

(Also 'bottlescrew') A threaded fitting at the lower end of a stay or shroud that allows p…

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