- metatherian Zoology
- metatherian Zoology [ˌmɛtə'θɪərɪən]noun a mammal of the group Metatheria, which comprises the marsupials. Compare with eutherian.adjective relating to metatherians.Originfrom mod. L. Metatheria, from meta- + Gk thēria, plural of thērion 'wild animal'.
English new terms dictionary. 2014.