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English to English adjective
| 1 |
Emitting a murmuring sound; droning; murmuring; buzzing. |  | source: webster1913 noun
| 2 |
a humming noise | | Example: the hum of distant traffic
source: wordnet30
| 3 |
the act of singing with closed lips | | source: wordnet30
| 4 |
A sound like that made by bees; a low, murmuring sound; a hum. | | source: webster1913
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