i Register
In some senses, copter is marked as informal. Watch for register when choosing this word.
noun
A helicopter.
2005, Sin City (the film), Shellie shouts something I can't quite make out over the racket of a passing police copter.
verb
To helicopter: to transport by helicopter.
To helicopter: to travel by helicopter.
To move like a helicopter.
The sidelong whiplash of his arm sent the boomerang soaring, pushing the sky to the horizon until the blade just hung there, a black slash on the sun so far away it seemed not to move at all before it came whirling back larger and larger: would it hit him, would he die — and you ducked down, terrified, clinging to his thigh, its deathspin slowing as it coptered softly down and he snatched it from the air.