GNU Collaborative International Dictionary of English

Found one definition 

  1.       

    Glider , 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