humming
hum-ming
noun
A low, continuous, murmuring sound, often from machinery.
"The constant humming of the fridge."
verb
Making a low, continuous, musical sound with closed lips.
"She was humming a cheerful tune."
Thesaurus
Synonyms: hum
hum-ming
A low, continuous, murmuring sound, often from machinery.
"The constant humming of the fridge."
Making a low, continuous, musical sound with closed lips.
"She was humming a cheerful tune."
Synonyms: hum