A2
an aircraft that flies using long, thin parts on top of it that turn around and around very fast
Dictionary examples:
The helicopter pilot forgot his keys and had to take the bus. (0.0)
My cat thinks the helicopter is a giant flying toy mouse. (0.0)
The helicopter pilot got lost and landed at a pizza shop. (0.0)
a helicopter pilot (12.6)
The injured were flown to the hospital by helicopter. (21.2)