Archosaur Definition
ärkə-sôr
noun
Any of various vertebrates of the group Archosauria, having a single opening in each side of the skull in front of the eye socket, and including the dinosaurs, birds, pterosaurs, and modern crocodilians.
American Heritage
Any of a subclass (Archosauria) of reptiles, including the dinosaurs, pterosaurs, crocodilians, and thecodonts.
Webster's New World
(biology) Any reptile of the taxon Archosauria; includes the extinct dinosaurs, plesiosaurs, pterosaurs and ichthyosaurs and the modern crocodiles.
Wiktionary
Synonyms:
- archosaurian reptile
- archosaurian
Other Word Forms of Archosaur
Noun
Singular:
archosaur
Plural:
archosaursOrigin of Archosaur
-
From New Latin Archosauria (“taxonomic division of extinct reptiles"), from ἄρχων (archōn, “leader") + σαύρα (saura, “lizard")
From Wiktionary
New Latin Archosauria subclass name Greek arkhos ruler Greek sauros lizard
From American Heritage Dictionary of the English Language, 5th Edition
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