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pachycephalosaur

Flag: gbEnglishOxford New American Dictionary
pachycephalosaur /ˌpakiˈsefələsôr, ˌpækɪˈsɛfələsɔr /
▸ noun a bipedal herbivorous dinosaur of the late Cretaceous period, with a thick domed skull.
Infraorder Pachycephalosauria, order Ornithischia: several genera, including Pachycephalosaurus.
– ORIGIN from Greek pakhus ‘thick’ + kephalē ‘head’ + sauros ‘lizard’.
pachycephalosaur — ONAD · Shobdo