drone

Definitions


[drəʊn], (Verb)

Definitions:
- make a continuous low humming sound
(e.g: in the far distance a machine droned)


Phrases:

Origin:
Old English drān, drǣn ‘male bee’, from a West Germanic verb meaning ‘resound, boom’; related to Dutch dreunen ‘to drone’, German dröhnen ‘to roar’, and Swedish dröna ‘to drowse’


[drəʊn], (Noun)

Definitions:
- a continuous low humming sound
(e.g: he nodded off to the drone of the car engine)

- a continuous musical note of low pitch
(e.g: the drone rose by a third to A)

- a male bee in a colony of social bees, which does no work but can fertilize a queen

- a remote-controlled pilotless aircraft or small flying device
(e.g: pilots use remote controls to guide a stealth reconnaissance drone)


Phrases:

Origin:
Old English drān, drǣn ‘male bee’, from a West Germanic verb meaning ‘resound, boom’; related to Dutch dreunen ‘to drone’, German dröhnen ‘to roar’, and Swedish dröna ‘to drowse’




definition by Oxford Dictionaries