Quadcopter, e.g. (5)
I believe the answer is:
drone
(Other definitions for drone that I've seen before include "Non-worker" , "mollusc" , "Unmanned aerial vehicle" , "Male honey bee, an idler" , "person averse to work" .)
I believe the answer is:
drone
(Other definitions for drone that I've seen before include "Non-worker" , "mollusc" , "Unmanned aerial vehicle" , "Male honey bee, an idler" , "person averse to work" .)