To express by humming.
To produce low sounds which blend continuously
To reek, smell bad.
To make a sound from the vocal chords without pronouncing any real words, with one's lips closed.
To drone like certain insects naturally do in motion, or sounding similarly
To buzz, be busily active like a beehive
Synonym of um: a noise indicating doubt, uncertainty, &c.
Synonym of hmm: a noise indicating thought, consideration, &c.
Unpleasant odour.
A phenomenon, or collection of phenomena, involving widespread reports of a persistent and invasive low-frequency humming, rumbling, or droning noise not audible to all people.
Busy activity, like the buzz of a beehive.
A hummed tune, i.e. created orally with lips closed.
An often indistinct sound resembling human humming.
To sound (something) like a bell; to knell.
To ring (a bell) mournfully; to knell.
To call (someone, to church) by sounding or making a knell (as a bell, a trumpet, etc).
To arrange related objects in parallel or at 90 degree angles.
A rounded, underwater hill with a prominence of less than 1,000 metres, which does not breach the water's surface.
A small mound or rounded hill.
A knell.