n.
- A boatlike vehicle set on sharp runners, used for sailing on ice.
- See icebreaker (sense 1).
iceboating ice'boat'ing n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.