Source : Webster's Revised Unabridged Dictionary (1913)

Ovary \O"va*ry\, n.; pl. {Ovaries}. [NL. ovarium, fr. L. ovum
   egg: cf. F. ovaire. See {Oval}.]
   1. (Bot.) That part of the pistil which contains the seed,
      and in most flowering plants develops into the fruit. See
      Illust. of {Flower}.

   2. (Zo["o]l. & Anat.) The essential female reproductive organ
      in which the ova are produced. See Illust. of
      {Discophora}.

Source : WordNet®

ovary
     n 1: the organ that bears the ovules of a flower
     2: (vertebrates) one of usually two organs that produce ova and
        secrete estrogen and progesterone