Bicycle-like device for sliding down snow slopes

• The rider wears short skis for balancing
• Winter vehicle
• Snow vehicle
• Winter-sport vehicle
• Downhill ride
• A vehicle resembling a bicycle but having skis instead of wheels
• Winter sport device
• Winter recreation vehicle

Wiktionary Word definitions in Wiktionary
n. A bicycle-type frame attached to skis instead of wheels, used in the sport of skibobbing.