glider

noun

1. One who glides.
2. Any heavier-than-air aircraft optimised for unpowered flight; a sailplane.
3. A pilot of glider aircraft.
4. Any animal with the ability to glide, such as the marsupial gliding possums of Australia.
5. Synonym of glide (“cap affixed to base of legs of furniture”).
6. A kind of garden swing.
7. In the Game of Life, a particular configuration of five cells that recurs periodically at fixed offsets and appears to "walk" across the grid.
8. Any spaceship in a cellular automaton, especially one which exhibits glide reflection.
9. A vehicle, of a usually motorised type, without a powertrain.
10. Any of various species of dragonfly that glide on out-held wings while flying, such as the common glider, Tramea loewii, of Australia, New Guinea, Indonesia, and the Pacific.