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trimaran

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noun tri·ma·ran \ˈtrī-mə-ˌran, ˌtrī-mə-ˈ\

Simple Definition of trimaran

  • : a boat that has three hulls

Source: Merriam-Webster's Learner's Dictionary

Full Definition of trimaran

  1. :  a fast pleasure sailboat with three hulls side by side


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to lessen in amount, effect, or force

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