noun. Any of various nonplacental mammals of the infraclass Metatheria, including kangaroos, opossums, bandicoots, and wombats, found principally in Australia and the Americas, and typically bearing young that suckle and develop after birth in the mother's pouch. These species were formerly placed in the order Marsupialia.

adjective. Of or belonging to the infraclass Metatheria.

adjective. Relating to or having a marsupium.

Having the character of a bag, pouch, or marsupium; marsupiate.

Of or pertaining to a marsupium: as, marsupial bones.

Provided with a marsupium; specifically, pertaining to the Marsupialia, or having their characters.

noun. A member of the order Marsupialia; any implacental didelphian mammal. Also called marsupiate.

noun. One of the Marsupialia.

adjective. Having a pouch for carrying the immature young; of or pertaining to the Marsupialia.

adjective. Of or pertaining to a marsupium.

adjective. See Nototrema.

noun. A mammal of which the female has a pouch in which it rears its young, which are born immature, through early infancy, such as the kangaroo or koala, or else pouchless members of the Marsupialia like the shrew opposum.

adjective. Of or pertaining to a marsupial.

adjective. of or relating to the marsupials

noun. mammals of which the females have a pouch (the marsupium) containing the teats where the young are fed and carried