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Related to metatherian: eutherian
(Animals) of, relating to, or belonging to the Metatheria, a subclass of mammals comprising the marsupials
(Animals) any metatherian mammal; marsupial
[C19: from New Latin, from meta- + Greek thērion animal]
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|Noun||1.||metatherian - primitive pouched mammals found mainly in Australia and the Americas|
mammal, mammalian - any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk