¦aŋkəlō¦sȯ(ə)rəs noun
( -es )
Etymology: New Latin, from ankyl- + -saurus
1. capitalized : a North American genus of large ankylosaurs (family Ankylosauridae) of the late Cretaceous that were herbivorous dinosaurs walking on all four legs and having the body, head, and tail covered with bony plates studded with spikes and a tail ending in a bony club
2. : a dinosaur of the genus Ankylosaurus