Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun pachycephalosaurus
1 sense of pachycephalosaurus
Sense 1
pachycephalosaur, pachycephalosaurus -- (bipedal herbivore having 10 inches of bone atop its head; largest boneheaded dinosaur ever found)
=> bone-headed dinosaur -- (bipedal herbivorous dinosaurs with bony crowns)