from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The usually paired female or hermaphroditic reproductive organ that produces ova and, in vertebrates, estrogen and progesterone.
  • n. Botany The ovule-bearing lower part of a pistil that ripens into a fruit.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A female reproductive organ, often paired, that produces ova and in mammals secretes the hormones estrogen and progesterone.
  • n. The lower part of a pistil or carpel that bears ovules and ripens into fruit.

from the GNU version of the Collaborative International Dictionary of English

  • n. That part of the pistil which contains the seed, and in most flowering plants develops into the fruit. See Illust. of flower.
  • n. The essential female reproductive organ in which the ova are produced. See Illust. of Discophora.

from The Century Dictionary and Cyclopedia

  • n. That part of a female animal in which ova, eggs, or germs are generated and matured; the essential female organ of reproduction, corresponding to the testes of the male; the female genital gland or germ-gland; the ovarium.
  • n. In botany, a closed case or receptacle, the lower section of the pistil, inclosing the ovules or young seeds, and ultimately becoming the fruit.
  • Of or pertaining to an ovation.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the organ that bears the ovules of a flower
  • n. (vertebrates) one of usually two organs that produce ova and secrete estrogen and progesterone


New Latin ōvārium, from Latin ōvum, egg; see awi- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)



Log in or sign up to get involved in the conversation. It's quick and easy.