hum >> hʌm
Definition: [verb] make a low, steady continuous sound like that of a bee.
Example: the computers hummed
Definition: [verb] be in a state of great activity.
Example: the house was humming with preparations for the dance
Definition: [verb] smell unpleasant.
Example: when the wind drops this stuff really hums
Definition: [noun] a low, steady continuous sound.
Example: the hum of insects