̷ ̷ˌ ̷ ̷ ̷ ̷ˈsȯrēə noun plural
Usage: capitalized
Etymology: New Latin, from coel- + ur- + -sauria
: a subdivision of Theropoda (order Saurischia) comprising a number of small primitive generalized bipedal dinosaurs of the Upper Triassic, Jurassic, and Cretaceous