- 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 having a smaller set of blades on its tail that stabilize the aircraft.
- Noun. a powered troweling machine with spinning blades used to spread concrete.
- Noun. a winged fruit of certain trees, such as ash, elm, and maple.
- Verb. (transitive) To transport by helicopter.
- Verb. (intransitive) To travel by helicopter.