Zoology. A placental mammal, a eutherian.

A mammal of the former subclass Monodelphia (now usually regarded as the infraclass Eutheria), comprising those whose females have a single…

With plural agreement. A group comprising all placental mammals possessing a deciduate placenta. Cf. deciduate, adj.

= monodelph, n.

Zoology. A mammal with a deciduate placenta; a member of the former group Deciduata. Usually in plural.

A member of the Eutheria, an infraclass which comprises the placental mammals.

Zoology. A placental mammal, a eutherian. Obsolete. rare.