n.
Pronunciation: ' är-k ə - ˌ so ̇ r
Function: noun
Etymology: New Latin Archosauria, from Greek arch ō n + sauros lizard
Date: 1933
: any of a subclass (Archosauria) of reptiles comprising the dinosaurs, pterosaurs, and crocodilians
– ar · cho · sau · ri · an \ ˌ är-k ə - ' so ̇ r- ē - ə n \ adjective or noun