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agnathan

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

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
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adjective
  1. of, relating to, or belonging to the superclass AgnathaSee also cyclostome
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Word Origin

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

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