Definitions for

Overview of noun pachycephalosaurus

The noun pachycephalosaurus has 1 senses? (no senses from tagged texts)
1. pachycephalosaur, pachycephalosaurus

(bipedal herbivore having 10 inches of bone atop its head; largest boneheaded dinosaur ever found) © 2001-2013, Demand Media, all rights reserved. The database is based on Word Net a lexical database for the English language. see disclaimer
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