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n. pl. mar·su·pi·a (-pē-ə)
1. An external pouch or fold on the abdomen of most female marsupials, containing the mammary glands and in which the young continue to develop after leaving the uterus.
2. A temporary pouch in certain fishes, amphibians, and invertebrates in which eggs are carried until hatched. Also called brood pouch.
[Late Latin marsūpium, pouch, from Latin marsīpium, marsuppium, from Greek marsippion, marsuppion, diminutive of marsippos, marsuppos, purse, perhaps of Iranian origin; akin to Avestan marsū-, belly, paunch.]
n, pl -pia (-pɪə)
(Zoology) an external pouch in most female marsupials within which the newly born offspring are suckled and complete their development
[C17: New Latin, from Latin: purse, from Greek marsupion, diminutive of marsipos]
mar•su•pi•um(mɑrˈsu pi əm)
n., pl. -pi•a (-pi ə)
the pouch or fold of skin on the abdomen of a female marsupial.
[1690–1700; < New Latin, variant of Latin marsuppium pouch, purse < Greek marsýppion]