What is the meaning of the word "pachycephalosaur"?
Definitions:
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A distinctive group of dinosaurs known for their thick, domed skulls. NOUN
- Pachycephalosaurs disappeared at the end of the Cretaceous period along with many other dinosaur species.
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Group of dinosaurs that lived during the Late Cretaceous period, approximately 85 to 65 million years ago. NOUN
- Pachycephalosaurs were herbivores, using their beaks to strip leaves and twigs from trees.