Source : Webster's Revised Unabridged Dictionary (1913)

Ropedancer \Rope"dan`cer\, n.
   One who dances, walks, or performs acrobatic feats, on a rope
   extended through the air at some height. -- {Rope"dan`cing},
   n.

Source : WordNet®

ropedancer
     n : an acrobat who performs on a rope stretched at some height
         above the ground [syn: {ropewalker}]