• WordNet 3.6
    • n marsupium an external abdominal pouch in most marsupials where newborn offspring are suckled
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Webster's Revised Unabridged Dictionary
    • n marsupium (Anat. & Zoöl) The pouch, formed by a fold of the skin of the abdomen, in which marsupials carry their young; also, a pouch for similar use in other animals, as certain Crustacea.
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Century Dictionary and Cyclopedia
    • n marsupium In Roman antiquity, a purse of the kind usually borne in the hand of Mercury, and indicating his character as god of gain.
    • n marsupium In medicine, a sack or bag in which any part of the body is fomented.
    • n marsupium In zoology, a purse- or pouch-like receptacle for the eggs or young, more external than any of the proper organs of gestation; a brood-pouch of any kind. In mammalogy, the duplication of the skin of the abdomen of Marsupialia, forming a pouch in which the mammary glands open, and into which the imperfectly developed young are transferred at birth, to be nourished until they are able to move about.
    • n marsupium In anatomy, the alar ligaments (which see, under alar).
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Chambers's Twentieth Century Dictionary
    • n Marsupium a brood-pouch
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Webster's Revised Unabridged Dictionary
L., a pouch
Chambers's Twentieth Century Dictionary
L. marsupium—Gr. marsipion, a pouch.


In literature:

The bamboo continues common, as well as Pandanus, Pterocarpus marsupium, Bombax, Diospyros ebenum, which are the most common trees.
"Journals of Travels in Assam, Burma, Bhootan, Afghanistan and TheNeighbouring Countries" by William Griffith
The word 'marsupium' was what threw you off.
"The Boy With the U. S. Fisheries" by Francis Rolt-Wheeler
They do not support a marsupium.
"Dragons of the Air" by H. G. Seeley
MARSUPIUM, rudimentary, in male marsupials, i.
"The Descent of Man and Selection in Relation to Sex" by Charles Darwin
That there is more than one pouch makes a comparison with the mammary pouch rather than with the marsupium probable.
"The Cambridge Natural History, Vol X., Mammalia" by Frank Evers Beddard
Marsupium or nursery-pocket, 161.
"Stories of the Universe: Animal Life" by B. Lindsay