A boat propelled by an internal-combustion engine or other motor. Also called powerboat.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "motorboat" in a sentence
"Inventing a disaster management plan on the spot, Bahlman, Campagna and others borrowed a flat-bottomed aluminum motorboat from a nearby homeowner and rode through the brown floodwaters to the skeletal white house, whose walls consist of huge sheets of floor-to-ceiling glass."
"My clumsy attempts at twitches resulted in motorboat wakes that spooked the fish."
"For example, environmentalists have expressed concern over the oil pollution on the French Riviera arising from the large increase in motorboat and yacht traffic."