Definitions:

1. A craft, in the borad shape of a yacht, fitted with skis or runners so as to sail on the ice. NOUN
   • The ice yacht's sharp runners cut through the ice with precision, providing unmatched control.
2. A type of sailing craft designed to glide over ice using runners or blades instead of a traditional hull, propelled by wind using a sail much like a regular sailboat, but that operates on frozen lakes or rivers. NOUN
   • He build an ice yacht to sail across the winter landscape at high speed.
3. A type of vehicle primarily used ofr traveling or racing over frozen surfaces. NOUN
   • The spectators marveled at the grace and speed of the ice yacht as it danced across the frozen surface.

Synonyms:

• glacier cruiser
• ice glider
• Iceboat