verb, hummed, hum⋅ming, noun, interjection | 1. | to make a low, continuous, droning sound. |
| 2. | to give forth an indistinct sound of mingled voices or noises. |
| 3. | to utter an indistinct sound in hesitation, embarrassment, dissatisfaction, etc.; hem. |
| 4. | to sing with closed lips, without articulating words. |
| 5. | to be in a state of busy activity: The household hummed in preparation for the wedding. |
| 6. | British Slang. to have a bad odor, as of stale perspiration. |
| 7. | to sound, sing, or utter by humming: to hum a tune. |
| 8. | to bring, put, etc., by humming: to hum a child to sleep. |
| 9. | the act or sound of humming; an inarticulate or indistinct murmur; hem. |
| 10. | Audio. an unwanted low-frequency sound caused by power-line frequencies in any audio component. |
| 11. | (an inarticulate sound uttered in contemplation, hesitation, dissatisfaction, doubt, etc.) |
"There is a curious bird to see to, called a humming bird, no bigger then a great Beetle." [Thomas Morton, "New English Canaan," 1637]
hum (hŭm)
n.
A low, continuous murmur blended of many sounds.