having no jaws.
belonging or pertaining to the class Agnatha.
Also agnathan, ag·na·thic.
Origin of agnathous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for agnathous
Historical Examples of agnathous
Agnathous: without jaws; specifically applied to those Neuropteroid series in which the mouth structures are obsolescent.Explanation of Terms Used in Entomology
John. B. Smith
zoology (esp of lampreys and hagfishes) lacking 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