humming

verb

1. (form-of, gerund, participle, present)present participle and gerund of hum

adj

1. Making a hum sound.
2. (archaic)Of ale or beer: very strong.

   “But at night crowds of visitors called at his cot, / For he told a right marvellous tale; / Yet a stronger attraction by chance he had got, / A barrel of old humming ale.”

3. (UK, slang)Very bad-smelling.

noun

1. The sound of something that hums; a hum.

   “There are some contemporary additions to these scattered fragments from Shakespeare. Mostly they are songs; sometimes they are various screechings and hummings[…]”