opisthognathous

[ op-is-thog-nuh-thuh s ]
/ ˌɒp ɪsˈθɒg nə θəs /

adjective Zoology.

having receding jaws.

Origin of opisthognathous

First recorded in 1860–65; opistho- + -gnathous

Related forms

op·is·thog·na·thism, noun
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British Dictionary definitions for opisthognathous

opisthognathous

/ (ˌɒpɪsˈθɒɡnəθəs) /

adjective

(of a person or animal) having receding jaws

Derived Forms

opisthognathism, noun

Word Origin for opisthognathous

C19: from Greek opisthen behind + -gnathous
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012