noun
- a large herbivorous dinosaur with a duck-like bill and sometimes a bony crest on the head
Usage: paleontology
Examples
- The hadrosaur fossil was discovered in Montana.
- Scientists believe hadrosaurs lived in herds.
- The museum’s hadrosaur skeleton shows the distinctive flat bill.
- Hadrosaurs were among the most common dinosaurs of the late Cretaceous period.
- The hadrosaur’s crest may have been used for communication.
- Paleontologists found hadrosaur eggs in the ancient nesting site.