Source : Webster's Revised Unabridged Dictionary (1913)

Hance \Hance\, v. t. [See {Enhance}.]
   To raise; to elevate. [Obs.] --Lydgate.

Hance \Hance\, Hanch \Hanch\, [See {Hanse}.]
   1. (Arch.) See {Hanse}.

   2. (Naut.) A sudden fall or break, as the fall of the fife
      rail down to the gangway.