Bourdon
Part of speech: noun
Definition: the burden or bass of a melody the drone pipe of a bagpipe the lowest-pitched stop of an organ the lowest-pitched of a peal of bells a bumblebee
Drone
Part of speech: noun
Definition: A male bee or wasp, which does not work but can fertilise the queen.A remotely controlled aircraft.A low-pitched hum or buzz.One who performs menial or tedious work; a drudge.One of the fixed-pitch pipes on a bagpipe.A genre of music similar to that of noise.
Part of speech: verb
Definition: To produce a low-pitched hum or buzz.To speak in a monotone way.