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WordReference Random House Unabridged Dictionary of American English © 2024ice•boat (īs′bōt′),USA pronunciation n. - Nautical, Naval Termsa vehicle for rapid movement on ice, usually consisting of aT-shaped frame on three runners driven by a fore-and-aft sailing rig or, sometimes, by an engine operating a propeller.
- Nautical, Naval Termsa boat for breaking a navigable channel through ice;
icebreaker.
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