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.

Origin of iceboat

First recorded in 1745–55; ice + boat Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for iceboat

Historical Examples of iceboat

British Dictionary definitions for iceboat


  1. another name for icebreaker (def. 1), ice yacht
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012