First Known Use: 1880
Dictionary
eutherian
adjective eu·the·ri·an \yü-ˈthir-ē-ən\
Definition of EUTHERIAN
: of or relating to a major division (Eutheria) of mammals comprising the placental mammals
— eutherian noun
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Origin of EUTHERIAN
ultimately from New Latin eu- + Greek thērion beast — more at treacle
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