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powerboat

[pou-er-boht]
noun
  1. a boat propelled by mechanical power.
  2. motorboat.
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Origin of powerboat

First recorded in 1905–10; power + boat
Related formspow·er·boat·ing, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for powerboating

powerboating

noun
  1. the sport of driving powerboats in racing competitions
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powerboat

noun
  1. a boat propelled by an inboard or outboard motor
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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