1. (v. i.) To make a low, prolonged sound, like that of a bee in flight; to drone; to murmur; to buzz; as, a top hums.

2. (v. i.) To make a nasal sound, like that of the letter m prolonged, without opening the mouth, or articulating; to mumble in monotonous undertone; to drone.

3. (v. i.) To make an inarticulate sound, like h'm, through the nose in the process of speaking, from embarrassment or a affectation; to hem.

4. (v. i.) To express satisfaction by a humming noise.

5. (v. i.) To have the sensation of a humming noise; as, my head hums, -- a pathological condition.

6. (v. t.) To sing with shut mouth; to murmur without articulation; to mumble; as, to hum a tune.

7. (v. t.) To express satisfaction with by humming.

8. (v. t.) To flatter by approving; to cajole; to impose on; to humbug.

9. (n.) A low monotonous noise, as of bees in flight, of a swiftly revolving top, of a wheel, or the like; a drone; a buzz.

10. (n.) Any inarticulate and buzzing sound

11. (n.) The confused noise of a crowd or of machinery, etc., heard at a distance; as, the hum of industry.

12. (n.) A buzz or murmur, as of approbation.

13. (n.) An imposition or hoax.

14. (interj.) An inarticulate nasal sound or murmur, like h'm, uttered by a speaker in pause from embarrassment, affectation, etc.

15. (interj.) A kind of strong drink formerly used.

16. (interj.) Ahem; hem; an inarticulate sound uttered in a pause of speech implying doubt and deliberation.

Indian file anthem array articulation ballad bank bel canto birdies birr blooping blurping bombilate bombilation bombinate bombination boom booming bravura bum burr buzz buzzing carol catena catenation chain chain reaction chaining chant chirp chirrup choir choral singing chorus coloratura concatenation connection consecution continue the same continuum course croon crooning cycle descant descent distortion do-re-mi drag along drag on drone droning endless belt endless round falter feedback file filiation flutter fluttering folk singing gamut gradation halt haw hem hem and haw hesitate hissing howling hum and haw humming hymn intonate intonation intone lilt line lineage low rumbling lyricism mammer minstrel monotone motorboating nexus operatic singing pendulum periodicity persist pipe plenum powder train prevail progression psalm purr purring quaver queue range rank recurrence reticulation rotation roulade round routine row rumble run run through scale scat scat singing scratching sequence serenade series shake shredding sing sing in chorus singing single file sol-fa sol-fa exercise solfeggio solmizate solmization song spectrum squeals stammer static string stumble stutter succession swath thread thrum thrumming tier tonic sol-fa train tremolo trill troll tweedle tweedledee twit twitter vocal music vocalization vocalize warble warbling whir whirring whistle whistles whiz whizzing windrow woomping wow wowwows yodel yodeling