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drone (noun) a male bee; an idle person; a continuous low sound.
A drone is a male bee which has no work other than reproduction. An idle person who is no use to anybody is a drone. They just eat and idle away their time. A drone lives on what is left to them by their ancestors or on others. The drone of traffic is the continuous low noise of traffic from at a distance. The continuous low noise of planes flying high above is drone.
- Being a drone, Jerry is idle all the time. No activity interests him, nor does he intend to do any. One wonders how he manages to be idle.
- That night we spent on the countryside was very quiet except for the occasional drone of a plane. The low distant sound appeared rather out of place in such a calm place.