Arthrodira

plural noun Ar·thro·di·ra

Definition of Arthrodira

  1. :  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

arthrodiran

adjective or noun

arthrodire

noun, plural

-s

arthrodirous

\-¦dīrəs\ adjective

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Origin and Etymology of 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 — more at voracious


First Known Use: 1891


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