‖n. pl. [ NL., fr. Gr. &unr_; = &unr_; matrix, uterus. ] (Zool.) The subclass of Mammalia which includes the marsupials. See Marsupialia. [ 1913 Webster ]
a. (Zool.) Of or relating to the Didelphia. --
a. (Zool.) Having the uterus double; of or pertaining to the Didelphia. [ 1913 Webster ]
a. (Zool.) Same as Didelphic. [ 1913 Webster ]
n. (Zool.) A marsupial animal. [ 1913 Webster ]