Helicopter
/hˈɛlɪˌkɑptər/
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Definition
(noun) An aircraft that is borne along by one or more sets of long rotating blades which allow it to hover, move in any direction including reverse, or land; and typically having a smaller set of blades on its tail to stabilize the aircraft.
Sentence Examples
A helicopter is able to take off and land straight up and down.
The helicopter is flying very low.
CEFR Practice Quiz
A rescue ____ was sent to the remote mountain peak to save the stranded hikers.