birr
/bɜr/
noun
- A whirring or buzzing sound, like that of a spinning wheel or insect wings.
- We could hear the birr of cicadas on a summer evening.
- The birr of the fan helped her fall asleep.
- The birr of the sewing machine filled the room.
verb
- To make a whirring or buzzing sound.
- The engine birred softly as it idled.
- Bees birred around the blooming flowers.
- The old clock birred before striking the hour.