1. (p. pr. & vb. n.) of Hum.

2. (a.) Emitting a murmuring sound; droning; murmuring; buzzing.

3. (n.) A sound like that made by bees; a low, murmuring sound; a hum.

bel canto birring bombilation bombinating bombination booming bravura burring busy buzzing choral singing coloratura croon crooning droning folk singing fussy hopping hum hustling intonation lively low rumbling lyricism operatic singing popping purring scat scat singing singing sol-fa sol-fa exercise solfeggio solmization song thrumming tonic sol-fa vocal music vocalization warbling whirring whizzing yodel yodeling