|archosaur (är'kə-sôr') Pronunciation Key
Any of various mostly reptilian animals of the subclass Archosauria. Archosaurs are diapsids that began to evolve in the late Permian Period, and are characterized by skulls with long, narrow snouts and teeth set in sockets. Archosaurs include the extinct dinosaurs and pterosaurs and the modern crocodilians and birds.
Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.