Definition of duck–billed dinosaur
: 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
First Known Use of duck–billed dinosaur
Seen and Heard
What made you want to look up duck–billed dinosaur? Please tell us where you read or heard it (including the quote, if possible).