One who glides. / Any heavier-than-air aircraft optimised for unpowered flight; a sailplane. / A pilot of glider aircraft. / Any animal with the ability to glide, such as the gliding possum.

plural of glider

An unpowered aircraft resembling a large kite from which a rider is suspended in a harness. / The rider of such a craft.

Petaurus breviceps, an omnivorous gliding arboreal marsupial, endemic to mainland Australia and New Guinea, and introduced to Tasmania in 1835.

plural of sugar glider

A sailplane (glider) equipped with an auxiliary motor.

plural of hang-glider

Alternative form of hang glider

plural of motor glider

(mathematics) In the Conway's Game of Life cellular automaton, any pattern that "fires" out gliders.