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agnathan

American  
[ag-nuh-thuhn] / ˈæg nə θən /

noun

  1. any member of the vertebrate class Agnatha.

adjective

  1. agnathous.

agnathan British  
/ æɡˈneɪθən /

noun

  1. any jawless eel-like aquatic vertebrate of the superclass Agnatha , which includes the lampreys and hagfishes

"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

adjective

  1. of, relating to, or belonging to the superclass Agnatha See also cyclostome

"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
agnathan Scientific  
/ ăg′nə-thən /

  1. Lacking a jaw.

  1. See jawless fish

Etymology

Origin of agnathan

Agnath(a) + -an

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.