propeller

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a mechanical device that rotates to push against air or water (Freq. 1)
• Syn:
propellor
• Derivationally related forms:
propel (for: propellor), propel
• Hypernyms:
mechanical device
• Hyponyms:
airplane propeller, airscrew, prop, screw, screw propeller, variable-pitch propeller
• Part Meronyms:
blade, vane, hub