American Heritage Dictionary
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Century Dictionary
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GNU Webster's 1913
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WordNet
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Elsewhere on the web
Newton (1971, 1973) argued that women's three reproductive acts: coitus, parturition, and lactation are psychophysiologically interrelated and trigger caretaking behavior, a necessity for species survival.— Mind Hacks
If these occur later than the natural time for parturition, they are the more significant.— Special Report on Diseases of the Horse
They are expelled by the ordinary process of parturition, and usually at the same time with the normally developed offspring CYSTIC DISEASE OF THE WALLS OF THE WOMB, OR VESICULAR MOLE This condition appears to be attributable to hypertrophy (enlargement) of the villi on the inner surface of the womb, which become greatly increased in number and hollowed out internally into a series of cysts, or pouches, containing liquid.— Special Report on Diseases of the Horse
299. This charm probably was suggestive of difficult or impeded parturition, the bones of the pelvis being firmly knit together in manner somewhat resembling the fingers when inserted one between the other, instead of yielding for the passage of the infant.— The Metamorphoses of Ovid Literally Translated into English Prose, with Copious Notes and Explanations
It appears, though, that parturition is a function easily performed among them, and that it is unattended by the post-partum accidents common to civilization.— The First Landing on Wrangel Island With Some Remarks on the Northern Inhabitants

American Heritage Dictionary (1)
Century Dictionary (1)
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