The Collaborative International Dictionary of English v.0.48:

Mesprise \Mes*prise"\, n. [OF. mespris, F. m['e]pris. See
   Misprize.]
   1. Contempt; scorn. [Obs.]
      [1913 Webster]

   2. [Perh. for F. m['e]prise mistake. Cf. Misprision.]
      Misadventure; ill-success. [Obs.] --Spenser.
      [1913 Webster] Mesquite