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agnathan

[ag-nuh-thuh n]
noun
  1. any member of the vertebrate class Agnatha.
adjective
  1. agnathous.

Origin of agnathan

Agnath(a) + -an
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for agnathan

agnathan

noun
  1. any jawless eel-like aquatic vertebrate of the superclass Agnatha, which includes the lampreys and hagfishes
adjective
  1. of, relating to, or belonging to the superclass AgnathaSee also cyclostome

Word Origin for agnathan

C19: from New Latin agnatha, from a- 1 + Greek gnathos jaw
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 in Science

agnathan

[ăg′nə-thən]
Adjective
  1. Lacking a jaw.
Noun
  1. See jawless fish.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.