[ theer-ee-uh n ]
/ ˈθɪər i ən /
(in some classification systems) belonging or pertaining to the group Theria, comprising the marsupial and placental mammals and their extinct ancestors.
a therian animal.
Origin of therian
< New Latin Theri(a) name of the group (< Greek thēría, plural of thēríon wild beast) + -an
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for therian
Mr. Therian Bostwick had been our teacher the winter before and would be again the coming winter.A Child of the Sea; and Life Among the Mormons|Elizabeth Whitney Williams