Arthrodira

plural noun

Ar·​thro·​di·​ra

: 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

¦⸗⸗¦dīrən

adjective or noun

arthrodire

ˈ⸗⸗ˌdī(ə)r

noun

plural -s

arthrodirous

-¦dīrəs

adjective

Word History

Etymology

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

First Known Use

1891, in the meaning defined above

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