a type of aircraft which derives both lift and propulsion from one or two sets of horizontally revolving overhead rotors. It is capable of moving vertically and horizontally, the direction of motion being controlled by the pitch of the rotor blades.
ზმნა
Universal
transport by helicopter:he was helicoptered out with a bleeding ulcer
[no object, with adverbial of direction] fly somewhere in a helicopter:they were helicoptering daily between Bath and London
