unicycle

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

a vehicle with a single wheel that is driven by pedals
• Syn:
monocycle
• Derivationally related forms:
unicyclist
• Hypernyms:
wheeled vehicle

II - verb

ride a unicycle
• Hypernyms:
bicycle, cycle, bike, pedal, wheel
• Verb Frames:
- Somebody ----s
- Somebody ----s PP