a boat propelled by an inboard or outboard motor.

verb (used without object)

to travel in or operate a motorboat: to motorboat from Hyannis to Martha's Vineyard.

Origin of motorboat

First recorded in 1900–05; motor + boat
Related formsmo·tor·boat·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for motor-boat

Historical Examples of motor-boat

British Dictionary definitions for motor-boat



any boat powered by a motor
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

Word Origin and History for motor-boat

also motorboat, 1902, from motor (n.) + boat (n.).

Online Etymology Dictionary, © 2010 Douglas Harper