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
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