Source : Webster's Revised Unabridged Dictionary (1913)

Devow \De*vow"\, v. t. [F. d['e]vouer, L. devovere. See
   {Devote}, v. t.]
   1. To give up; to devote. [Obs.]

   2. [Cf. OF. desvoer. Cf. {Disavow}.] To disavow; to disclaim.
      [Obs.] --G. Fletcher.