ropedancer

from WordNet (r) 3.0 (2006)

ropedancer
    n 1: an acrobat who performs on a rope stretched at some height
         above the ground [syn: {ropewalker}, {ropedancer}]

from The Collaborative International Dictionary of English v.0.48

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.
   [1913 Webster]