birr

noun

1. force; energy; vigor.
2. emphasis in statement, speech, etc.
3. a whirring sound.

verb (used without object)

4. to move with or make a whirring sound.

noun, plural birr.

1. a paper money, silver coin, and monetary unit of Ethiopia, equal to 100 cents: replaced the Ethiopian dollar in 1976.

verb

1. to make or cause to make a whirring sound

noun

2. a whirring sound
3. force, as of wind
4. vigour; energy

noun

1. the standard monetary unit of Ethiopia, divided into 100 cents