English dictionary

birr

/b/[@]/r/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

the basic unit of money in Ethiopia; equal to 100 cents

noun.quantity

Source: WordNet 3.0
sound of something in rapid motion

noun.event

Synonyms whir whirr whirring

Source: WordNet 3.0
A whirring sound, as of a spinning wheel.

noun

Source: webster1913

make a soft swishing sound

verb.perception

Synonyms purr whir whirr whiz whizz

Source: WordNet 3.0
To make, or move with, a whirring noise, as of wheels in motion.

verb

Source: webster1913