agnathous

[ ag-nuh-thuhs ]

adjective

, Zoology.

1. having no jaws.
2. belonging or pertaining to the class Agnatha.

agnathous

/ æɡˈneɪθəs /

adjective

1. zoology (esp of lampreys and hagfishes) lacking jaws

Word History and Origins

Origin of agnathous¹

First recorded in 1875–80; Agnatha, -ous

Example Sentences

A similar history must have been slowly brought about when this second mandibulate somite in its turn became agnathous and passed in front of the mouth.

From Project Gutenberg

Agnathous: without jaws; specifically applied to those Neuropteroid series in which the mouth structures are obsolescent.

From Project Gutenberg