Bicycle-like device for sliding down snow slopes

• Winter vehicle
• Winter sport device
• Winter-sport vehicle
• Downhill ride
• Snow vehicle
• The rider wears short skis for balancing
• Snow glider with a bike frame
• Winter recreation vehicle

WordNet Word definitions in WordNet
n. a vehicle resembling a bicycle but having skis instead of wheels; the rider wears short skis for balancing

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