marsupium

mar·su·pi·um

noun \mär-ˈsü-pē-əm\

plural -pia \-pē-ə\

Definition of MARSUPIUM

1

: an abdominal pouch that is formed of a fold of the skin and encloses the mammary glands of most marsupials

2

: any of several structures in various invertebrates (as a bryozoan or mollusk) for enclosing or carrying eggs or young

Origin of MARSUPIUM

New Latin, from Latin, purse, pouch, from Greek marsypion

First Known Use: 1698