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trimaran

American  
[trahy-muh-ran] / ˈtraɪ məˌræn /

noun

  1. a vessel similar to a catamaran but having three separate hulls.


trimaran British  
/ ˈtraɪməˌræn /

noun

  1. a vessel, usually of shallow draught, with two hulls flanking the main hull

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of trimaran

First recorded in 1950–55; tri- + (cata)maran

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Another competitor was a tech whiz who packed his plywood trimaran with electronic gizmos.

From The Wall Street Journal Dec. 5, 2025

A Mexican Navy search and rescue team discovered a vessel, later identified as Mr. Lawson’s trimaran, the Defiant, about 410 miles south of Acapulco, Mexico, on Thursday.

From New York Times Jul. 31, 2023

Lloyd’s List Intelligence identified the ship as the trimaran, or a three-hulled racing vessel.

From Seattle Times May 19, 2022

Also Monday, the trimaran Maserati reported it collided with a floating object while sailing at 23 to 24 knots, damaging the bow of the port hull and the wing on the rudder.

From Washington Times Jul. 15, 2019

Nailer was running a message to the Ladee Bar from the first officer of the Gossamer, a sleek trimaran with fixed wind-wing sails and an impressive Buckell cannon on its foredeck, when everything went wrong.

From "Ship Breaker" by Paolo Bacigalupi

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