The Collaborative International Dictionary of English v.0.48:

Ridgeband \Ridge"band`\, n.
   The part of a harness which passes over the saddle, and
   supports the shafts of a cart; -- called also ridgerope,
   and ridger. --Halliwell.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Ridgerope \Ridge"rope`\, n. (Naut.)
   See Life line
   (a), under Life.
       [1913 Webster]