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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.]


(mɑːˈsjuːpɪəm; -ˈsuː-)
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]


(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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.marsupium - an external abdominal pouch in most marsupials where newborn offspring are suckledmarsupium - an external abdominal pouch in most marsupials where newborn offspring are suckled
pouch, pocket - (anatomy) saclike structure in any of various animals (as a marsupial or gopher or pelican)
References in periodicals archive ?
Inde splendidae mensae et cibis, et scyphis; inde commessationes et ebrietates; inde cithara, et lyra, et tibia; inde redundantia torcularia, et promptuaria plena, eructantia ex hoc in illud, Inde dolia pigmentaria, inde referta marsupia.
imbecillis does not depend on parasitism (It carries the young in its marsupia during metamorphosis from glochidia to juvenile mussels, thus eliminating the parasitic stage on fishes which other species undergo) and it is hermaphroditic.
The following classes and developmental stages of mysids were distinguished: juveniles--sexual characteristics are not developed; the distinction of juveniles and the remaining population was made between 6 and 9 mm length-classes; subadult males--the 4th pleopods short; adult males elongated 4th pleopods reach beyond the posterior edge of the last abdominal segment; females without marsupia (stage 1); females with the marsupia developing but no larvae present (stage 2); females with larvae present in the marsupium (stage 3); females with fully developed but empty marsupia (stage 4).