The Collaborative International Dictionary of English v.0.48:

Ovary \O"va*ry\ ([=o]"v[.a]*r[y^]), n.; pl. Ovaries
   ([=o]"v[.a]*r[i^]z). [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.
      [1913 Webster]

   2. (Zool. & Anat.) The essential female reproductive organ in
      which the ova are produced. See Illust. of Discophora.
      [1913 Webster]

WordNet (r) 3.0 (2006):

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