opisthognathous

American

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

adjective

Zoology.

having receding jaws.

opisthognathous British

/ ˌɒpɪsˈθɒɡnəθəs /

adjective

(of a person or animal) having receding jaws

"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

Other Word Forms

Derived Forms

opisthognathism

noun

Etymology

Origin of opisthognathous

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023