• synonyms


[ag-nuh-thuh s]
adjective Zoology.
  1. having no jaws.
  2. belonging or pertaining to the class Agnatha.
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Also agnathan, ag·na·thic.

Origin of agnathous

First recorded in 1875–80; see origin at Agnatha, -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for agnathous

Historical Examples

  • 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

British Dictionary definitions for agnathous


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