°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 having a smaller set of blades on its tail that stabilize the aircraft.
"We flew over the city in a helicopter."
verb
synonyms:
chopper, copter, eggbeater, rotary-wing aircraft
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, whirlybird, power trowel, trowel machine, samara