Definitions
1.NounAn 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."We flew over the city in a helicopter."
2.NounA powered troweling machine with spinning blades used to spread concrete.
3.NounThe winged fruit of certain trees, such as ash, elm, and maple.
4.NounA dragonfly; so named due to its resemblance to a helicopter (sense 1).
5.NounA whirling trick performed with devil sticks.
6.NounA breakdance move in which the dancer spins on the floor while extending the legs to resemble the blades of a helicopter.
7.VerbTo transport by helicopter.
8.VerbTo travel by helicopter.
9.VerbTo rotate like a helicopter blade."helicoptering his jacket, helicoptering his arms"
10.VerbTo overprotect one's children, as a helicopter parent does.