Definition of glider
- glider Noun Any heavier-than-air aircraft optimised for unpowered flight
- glider Noun A sailplane
- glider Noun Anything that glides, especially an animal or aircraft
- glider Noun A pilot of glider aircraft.
- glider Noun In the Game of Life cellular automaton, a particular configuration of five cells that recurs periodically at fixed offsets and appears to "walk" across the grid.