Bum

bum, v.t. to hum or make a murmuring sound, as a bee pr.p. bumming bummed' [Bum = boom, from the sound Bumbaillff, bum'bal'if, «. an unde i -bailiff. Bumble bee bum'bl-be, n a large kind of lice that makes a bumming; or humming noise the hum- Ue-bee M K. bumble freq. of Bum, and Boo