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 that stabilize the aircraft.
A powered troweling machine with spinning blades used to spread concrete.
A whirling trick performed with devil sticks.
A dragonfly.
The winged fruit of certain trees, such as ash, elm, and maple.
To rotate like a helicopter blade.
To overprotect one's children, as a helicopter parent does.
To travel by helicopter.
To transport by helicopter.
A roughly flat, thin, often moveable structure used to create lateral force by the flow of air or water over its surface, found on aircraft, submarines, etc. (Compare wing, airfoil, hydrofoil.)
A deciduous tree of the genus Platanus.
A level of existence or development.
An imaginary plane which divides the body into two portions.
A sycamore.
Any of 17 designated ranges of 2¹⁶ (65,536) sequential code points each.
A level or flat surface.
An airplane; an aeroplane.
The butterfly Bindahara phocides, family Lycaenidae, of Asia and Australasia.
A tool for smoothing wood by removing thin layers from the surface.
Any of various nymphalid butterflies, of various genera, having a slow gliding flight.
A flat surface extending infinitely in all directions (e.g. horizontal or vertical plane).
To glide or soar.
To smooth (wood) with a plane.
To move in a way that lifts the bow out of the water.
Of a surface: flat or level.