roller skate

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

a shoe with pairs of rollers fixed to the sole (Freq. 1)
• Hypernyms:
skate
• Part Meronyms:
roller

II - verb

travel on shoes with steel or rubber rollers attached to their soles
- In some fashionable restaurants, the waiters roller skate around
• Derivationally related forms:
roller-skater
• Topics:
sport, athletics
• Hypernyms:
skate
• Verb Frames:
- Somebody ----s