glider

Glider \Glid"er\, n. 1. One who, or that which, glides. [1913 Webster] 2. a heavier-than-air flying machine similar to an airplane, but without an engine. It is typically towed to a high altitide by a powered aircraft and then glides to earth with no other source of power. [PJC] 3. a type of seat used on porches or in gardens, which is mounted on a frame so that it may glide forward and backward. [PJC]