HELICOPTER

[informal] chopper [noun] [C] - a type of aircraft without wings, that has one or two sets of large blades which go round very fast on top. It can land and take off vertically and can stay in one place in the air.Two helicopters constantly hovered near the building.The injured were ferried to hospital by helicopter.a helicopter pilotSee picture: AircraftA helicopter gunship is a military helicopter armed with guns and other weapons.Helicopter gunships carry rockets and missiles capable of causing a large amount of damage.