amniote

noun
am·​ni·​ote | \ˈam-nē-ˌōt \

Definition of amniote 

: any of a group (Amniota) of vertebrates that undergo embryonic or fetal development within an amnion and include the birds, reptiles, and mammals

Other Words from amniote

amniote adjective

First Known Use of amniote

1878, in the meaning defined above

History and Etymology for amniote

New Latin Amniota, from amnion

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The first known use of amniote was in 1878

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