Tide

The periodic vertical rise and fall of the sea surface caused by the gravitational pull of the Moon and Sun.

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Related T-terms

Tackle

An arrangement of blocks and line that provides mechanical advantage.

Telltales

Short strands of wool or ribbon on a sail (or shrouds) showing airflow — a practical guide…

Tether

A two- or three-hook safety line attaching a crew member's lifejacket/harness to a jacklin…

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…

Trysail

A small, heavy, triangular storm sail that replaces the mainsail on its own track or separ…

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