Main Entry: had·ro·saur

Pronunciation: \ˈha-drə-ˌsȯr\

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