Catamaran
WordNet
noun
(1) A sailboat with two parallel hulls held together by single deck
WiktionaryText
Etymology
From + .
Noun
- a raft consisting of two or more logs tied together
- a raft used on the St Lawrence River by lashing two ships together
- a small rectangular raft used in dockyards to protect the hulls of large ships
- a twin-hulled sailing yacht, especially one used for racing; the hulls being connected by a deck carrying the mast, rigging, cockpit and cabin