drone drone /ˈdroʊn/

noun

1. () Stingless male bee in a colony of social bees (especially honeybees) whose sole function is to mate with the queen  ( drone )
   stingless male bee in a colony of social bees (especially honeybees) whose sole function is to mate with the queen
     The drone buzzed high above, capturing stunning aerial footage of the landscape.
   The drone buzzed high above, capturing stunning aerial footage of the landscape.
   
   
2. () [Informal] An unchanging intonation  ( droning , drone [Informal] , monotone )
   an unchanging intonation
   
3. A pipe of the bagpipe that is tuned to produce a single continuous tone  ( bourdon , drone , drone pipe )
   a pipe of the bagpipe that is tuned to produce a single continuous tone
   
   
4. An aircraft without a pilot that is operated by remote control  ( drone , pilotless aircraft , radio-controlled aircraft )
   an aircraft without a pilot that is operated by remote control
   
   
5. Someone who takes more time than necessary; someone who lags behind  ( dawdler , drone , lagger , laggard , poke , trailer )
   someone who takes more time than necessary; someone who lags behind
   

verb

1. [Informal] Talk in a monotonous voice  ( drone [Informal] , drone on )
   talk in a monotonous voice
   
2. [Informal] Make a monotonous low dull sound  ( drone [Informal] )
   make a monotonous low dull sound
    The harmonium was droning on
   The harmonium was droning on