[1] : The Collaborative International Dictionary of English v.0.48

glide \glide\, v. i. imp.  p. p. glided; p. pr.  vb. n.
   gliding. as. glimacdan; akin to d. glijden, ohg.
   glimactan, g. gleiten, sw. glida, dan. glide, and prob. to
   e. glad.
   1913 webster
   1. to move gently and smoothly; to pass along without noise,
      violence, or apparent effort; to pass rapidly and easily,
      or with a smooth, silent motion, as a river in its
      channel, a bird in the air, a skater over ice.
      1913 webster

            the river glideth at his own sweet will.
                                                  --wordsworth.
      1913 webster

   2. phon. to pass with a glide, as the voice.
      1913 webster

   3. a"eronautics to move through the air by virtue of
      gravity or momentum; to volplane.
      webster 1913 suppl.
see also:
glided gliding 

[2] : WordNet (r) 2.0

gliding
     n : the activity of flying a glider syn: glide, sailplaning,
          soaring, sailing
see also:
glide sailplaning soaring sailing 

Gliding >> G Words
Gliding, definition of term: Gliding
gliding_pag1.html

Hang Gliding >> H Words
Hang Gliding, definition of term: Hang Gliding
hang+gliding_pag1.html