The Collaborative International Dictionary of English v.0.48:

Gambadoes \Gam*ba"does\, n. pl. [I. or Sp. gamba leg. See
   Gambol, n.]
   Same as Gamashes.
   [1913 Webster]

         His thin legs tenanted a pair of gambadoes fastened at
         the side with rusty clasps.              --Sir W.
                                                  Scott.
   [1913 Webster]