Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a light motor vehicle resembling a scooter, having usually two small wheels with the driver seated over the engine and placing the feet in front resting on a floorboard
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A usually two-wheeled vehicle with small wheels and a low-powered gasoline engine geared to the rear wheel.