Dictionary
ice•boat
Pronunciation: (īs'bōt"), [key]—
n.
1. a vehicle for rapid movement on ice, usually consisting of a
T-shaped frame on three runners driven by a fore-and-aft sailing rig or, sometimes, by an engine operating a propeller.
2. a boat for breaking a navigable channel through ice; icebreaker.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.