Source : Webster's Revised Unabridged Dictionary (1913)

Defensor \De*fen"sor\, n. [L. See {Defenser}.]
   1. A defender. --Fabyan.

   2. (Law) A defender or an advocate in court; a guardian or
      protector.

   3. (Eccl.) The patron of a church; an officer having charge
      of the temporal affairs of a church.