plural noun

Definition of Arthrodira

: a group of Devonian fishes forming a subclass of Placodermi or especially formerly an order of Ostracodermi or a separate class and having the forepart of the body protected by bony plates and with an imperfectly ossified internal skeleton — see coccosteidae , dinichthys

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Other Words from Arthrodira

arthrodiran \ ¦⸗⸗¦dīrən \ adjective or noun
arthrodire \ ˈ⸗⸗ˌdī(ə)r \ noun, plural -s
arthrodirous \ -​¦dīrəs \ adjective

First Known Use of Arthrodira

1891, in the meaning defined above

History and Etymology for Arthrodira

New Latin, from arthr- + -dira (from Greek deirē neck); akin to Latvian grīva mouth of a river, Old Slavic griva mane, Sanskrit grīva neck, Latin vorare to devour

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Time Traveler for Arthrodira

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The first known use of Arthrodira was in 1891

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Cite this Entry

“Arthrodira.” Dictionary, Merriam-Webster, Accessed 1 Oct. 2020.

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