Jaunce

from The Collaborative International Dictionary of English v.0.48

Jaunce \Jaunce\, v. i. [OF. jancer. Cf. {Jounce}, {Jaunt}.]
   To ride hard; to jounce. [Obs.]
   [1913 Webster]

         Spurr'd, galled and tired by jauncing Bolingbroke.
                                                  --Shak.
   [1913 Webster]