Source : Webster's Revised Unabridged Dictionary (1913)

Theologue \The"o*logue\, n. [Cf. L. theologus, Gr. ?, and E.
   philologue.]
   1. A theologian. --Dryden.

            Ye gentle theologues of calmer kind.  --Young.

            He [Jerome] was the theologue -- and the word is
            designation enough.                   --I. Taylor.

   2. A student in a theological seminary. [Written also
      {theolog}.] [Colloq. U. S.]