duck–billed dinosaur

variants: or less commonly

duckbill dinosaur

Definition of duck–billed dinosaur

  1. :  any of various herbivorous dinosaurs (family Hadrosauridae) of the Late Cretaceous having the jaw elongated into a snout that resembles a beak :  hadrosaur Fossils of a duck-billed dinosaur have turned up in Antarctica, recalling a time 66 million years ago when the now-frozen continent bore forests and a bountiful ecosystem. — Richard Monastersky


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