noun (plural marsupia /-pēə/)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.
mid 17th century: via Latin from Greek marsupion, diminutive of marsipos 'purse'.
More definitions of marsupiumDefinition of marsupium in:
- The British & World English dictionary