the·ri·o·mor·phic (thîr??-?-môr?f?k) also the·ri·o·mor·phous (-f?s)adj. Thought of as having the form of a beast. Used of a deity.[Greek th?rion, diminutive of th?r, wild beast; see theropod + -morphic.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.theriomorphic (????r????m??f?k) or theriomorphousadj (Classical Myth & Legend) (esp of a deity) possessing or depicted in the form of a beast[C19: from Greek th?riomorphos, from th?rion wild animal + morph? shape] ?therio?morph nCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014the?ri?o?mor?phic (????r i ??m?r f?k) also the`ri?o?mor?phous, adj. (of deities) thought of or represented as having the form of animals. [1880?85;