intransitive. To make or utter a dull sound of vibration or trilling; to buzz as an insect; to snarl as a dog; to pronounce a trilled r.

intransitive. To make the humming sibilant sound characteristic of bees and other insects; to fly out, in, etc. with such a sound.

intransitive. To make the sound described under chirr, v.

intransitive (rarely transitive). To buzz.

intransitive. To make the trilled sound characteristic of grasshoppers, etc. (Often nearly equivalent to chirp, n., but properly expressing a more…

To buzz, make a buzzing noise.