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English definition of “drone”

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drone

noun uk   /drəʊn/ us    /droʊn/

drone noun (NOISE)

[S] a low continuous noise that does not change its note: the drone of an engine Outside the tent I could hear the constant drone of insects. The drone of his voice made me feel sleepy.

drone noun (BEE)

[C] a male bee

drone noun (AIRCRAFT)

[C] a type of aircraft that does not have a pilot but is controlled by someone on the ground

drone

verb [I] uk   /drəʊn/ us    /droʊn/
to make a low continuous noise that does not change its note: An airplane droned in the background.
Phrasal verbs
(Definition of drone from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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