agnathous

[ ag-nuh-thuh s ]
/ ˈæg nə θəs /

adjective Zoology.

having no jaws.
belonging or pertaining to the class Agnatha.
Also agnathan, ag·na·thic.

Origin of agnathous

First recorded in 1875–80; see origin at Agnatha, -ous
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British Dictionary definitions for agnathous

agnathous

/ (æɡˈneɪθəs) /

adjective

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