The American Heritage® Dictionary of the English Language, 4th Edition
n. A small vehicle with skilike runners in front and tanklike treads, ridden by straddling a seat and used for driving in or traveling on snow. Also called skimobile.
n. A vehicle with skis at the front and rubber tracks at the rear, used for travelling over snow, sometimes as sport
v. To ride or race in a snowmobile.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. tracked vehicle for travel on snow having skis in front
v. ride a snowmobile
Word Usage
"The main distinctive feature of this snowmobile is a big wheel instead of a regular for such kind of transport rubber heavy caterpillar made of metal and rubber."