drone

  • verb 1 make a continuous low humming sound. 2 speak tediously and at length.

  • noun 1 a low continuous humming sound. 2 a pipe (especially in a set of bagpipes) or string used to sound a continuous note of low pitch. 3 a male bee which does no work in a colony but can fertilize a queen. 4 an idler. 5 a remote-controlled pilotless aircraft.

  — ORIGIN Old English, male bee.

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