Definition of marsupium in English:

marsupium

Line breaks: mar|su¦pium
Pronunciation: /mɑːˈsuːpɪəm
 
/

noun (plural marsupia /-pɪə/)

Zoology
  • A pouch that protects eggs, offspring, or reproductive structures, especially the pouch of a female marsupial mammal.
    More example sentences
    • A marsupium is present and opens to the rear.
    • The eggs are carried by the female in an open marsupium.
    • In some (but by no means all) species of marsupials, females develop a pouch or marsupium in which the young are nursed.

Origin

mid 17th century: via Latin from Greek marsupion, diminutive of marsipos 'purse'.

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