birr

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

1. the basic unit of money in Ethiopia;
equal to 100 cents
• Hypernyms:
Ethiopian monetary unit
• Part Meronyms:
cent
2. sound of something in rapid motion
- whir of a bird's wings
- the whir of the propellers
• Syn:
whir, whirr, whirring
• Derivationally related forms:
whir (for: whirring), whirr (for: whirr), whir (for: whir)
• Hypernyms:
sound

II - verb

make a soft swishing sound
- the motor whirred
- the car engine purred
• Syn:
whizz, whiz, whirr, whir, purr
• Derivationally related forms:
whir (for: whir), whirring (for: whir), whirr (for: whirr), whiz (for: whiz)
• Hypernyms:
sound, go
• Verb Frames:
- Something ----s