Trimaran

A three-hulled vessel: a central hull (vaka) flanked by two amas.

Test your knowledge

Know your nautical terms? Play the free SkipperCheck daily maritime quiz — COLREGs, navigation, VHF radio, seamanship. Earn points, climb the global leaderboard.

Play the Daily Quiz →

Related T-terms

Tack
(1) To turn the bow through the eye of the wind so the boat changes from one close-hauled …
Transom
The flat — or nearly flat — after face of the stern.
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.
Tiller
A horizontal handle (or extension) fixed to the rudder stock, used to steer a smaller yach…
← Back to full glossary
Logo
Logo
Logo
Logo
Logo
Logo