The Collaborative International Dictionary of English v.0.48:

Womb \Womb\ (w[=oo]m), n. [OE. wombe, wambe, AS. wamb, womb;
   akin to D. wam belly, OS. & OHG. wamba, G. wamme, wampe,
   Icel. v["o]mb, Sw. v[*a]mb, Dan. vom, Goth. wamba.]
   1. The belly; the abdomen. [Obs.] --Chaucer.
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            And he coveted to fill his woman of the cods that
            the hogs eat, and no man gave him.    --Wyclif (Luke
                                                  xv. 16).
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            An I had but a belly of any indifferency, I were
            simply the most active fellow in Europe. My womb, my
            womb, my womb undoes me.              --Shak.
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   2. (Anat.) The uterus. See Uterus.
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   3. The place where anything is generated or produced.
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            The womb of earth the genial seed receives.
                                                  --Dryden.
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   4. Any cavity containing and enveloping anything.
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            The center spike of gold
            Which burns deep in the bluebell's womb. --R.
                                                  Browning.
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The Collaborative International Dictionary of English v.0.48:

Womb \Womb\, v. t.
   To inclose in a womb, or as in a womb; to breed or hold in
   secret. [Obs.] --Shak.
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WordNet (r) 3.0 (2006):

womb
    n 1: a hollow muscular organ in the pelvic cavity of females;
         contains the developing fetus [syn: uterus, womb]

Moby Thesaurus II by Grady Ward, 1.0:

47 Moby Thesaurus words for "womb":
   bag, ballocks, balls, basket, beard, breasts, cervix, clitoris,
   cod, cods, cullions, family jewels, female organs, genitalia,
   genitals, gonads, labia, labia majora, labia minora, lingam, lips,
   male organs, matrix, meat, nuts, nymphae, ovary, penis, phallus,
   private parts, privates, privy parts, pubic hair, pudenda,
   reproductive organs, rocks, scrotum, secondary sex characteristic,
   sex organs, spermary, testes, testicles, uterus, vagina, venter,
   vulva, yoni