Definitions from Wiktionary ( )

▸ noun:  A male ant, bee or wasp, which does not work but can fertilize the queen.
▸ noun:  (now rare) Someone who does not work; a lazy person, an idler.
▸ noun:  (metonymically): One who performs menial or tedious work.
▸ noun:  A remotely operated vehicle:
▸ noun:  (metonymically): An aircraft operated by remote control, especially an unmanned aerial vehicle (UAV).
▸ noun:  (expansion of the sense "an unmanned or remotely operated aircraft"): (chiefly military) Any remotely-operated vehicle (ROV), such as a tank or boat, especially when multiple such vehicles are operated from a larger vessel.
▸ noun:  (Uganda) A Toyota HiAce or a similar van, especially one used by Ugandan state agents to kidnap opposition members.
▸ noun:  (chiefly Internet slang, derogatory) A person without the ability to think critically and independently, especially one who follows a group blindly; a non-player character.
▸ verb:  (transitive, colloquial) To kill with a missile fired by unmanned aircraft.
▸ verb:  To produce a low-pitched hum or buzz.
▸ verb:  To speak in a monotone.
▸ noun:  A low-pitched hum or buzz.
▸ noun:  (music) One of the fixed-pitch pipes on a bagpipe.
▸ noun:  (music, uncountable) A genre of music that uses repeated lengthy droning sounds.
▸ noun:  A humming or deep murmuring sound.
▸ noun:  (UK, slang) The drug mephedrone.
▸ noun:  A surname.

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