agnathan

[ag-nuh-thuh n]

noun

any member of the vertebrate class Agnatha.

adjective

agnathous.

Origin of agnathan

Agnath(a) + -an

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British Dictionary definitions for agnathan

agnathan

noun

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

adjective

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

Lacking a jaw.

Noun

See jawless fish.