Source : Webster's Revised Unabridged Dictionary (1913)

Seminary \Sem"i*na*ry\, a. [L. seminarius.]
   Belonging to seed; seminal. [R.]

Seminary \Sem"i*na*ry\, n.; pl. {Seminaries}. [L. seminarium,
   fr. seminarius belonging to seed, fr. semon, seminis, seed.
   See {Seminal}.]
   1. A piece of ground where seed is sown for producing plants
      for transplantation; a nursery; a seed plat. [Obs.]
      --Mortimer.

            But if you draw them [seedling] only for the
            thinning of your seminary, prick them into some
            empty beds.                           --Evelyn.

   2. Hence, the place or original stock whence anything is
      brought or produced. [Obs.] --Woodward.

   3. A place of education, as a scool of a high grade, an
      academy, college, or university.

   4. Seminal state. [Obs.] --Sir T. Browne.

   5. Fig.: A seed bed; a source. [Obs.] --Harvey.

   6. A Roman Catholic priest educated in a foreign seminary; a
      seminarist. [Obs.] --Jer. Taylor.

Source : WordNet®

seminary
     n 1: a private place of education for the young
     2: a theological school for training ministers or priests or
        rabbis