n.
Pronunciation: ' ha-dr ə - ˌ so ̇ r
Function: noun
Etymology: New Latin Hadrosaurus, genus name, from Greek hadros thick, bulky + sauros lizard
Date: 1877
: any of a family (Hadrosauridae) of medium-sized bipedal herbivorous dinosaurs of the Upper Cretaceous with long flat snouts and an often crested skull