Definition of catamaran noun from the Oxford Advanced Learner's Dictionary

 

catamaran

 noun
noun
BrE BrE//ˌkætəməˈræn//
 
; NAmE NAmE//ˌkætəməˈræn//
 
Types of boats and ships, Boating
 
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a fast sailing boat with two hulls compare trimaran See related entries: Types of boats and ships, Boating Word Origin early 17th cent.: from Tamil kaṭṭumaram, literally ‘tied wood’.
See the Oxford Advanced American Dictionary entry: catamaran