[{"Bold_text": "noun", "List Items": ["any viviparous, nonplacental mammal of the order Marsupialia, comprising the opossums, kangaroos, wombats, and bandicoots, the females of most species having a marsupium containing the mammary glands and serving as a receptacle for the young."]}, {"Bold_text": "adjective", "List Items": ["pertaining to, resembling, or having a marsupium.", "of or relating to the marsupials."]}]