Meaning ofdinosaurin English

Noun

1. animals in the clade Dinosauria; now extinct
2. an outdated thing or person (resisting change)
3. extinct reptiles from Triassic to Cretaceous periods
   The museum has a collection of dinosaur fossils from the Jurassic period.
4. prehistoric reptiles excluding birds
   The dinosaur exhibit featured a massive T-Rex skeleton.
5. non-avian prehistoric creatures
   Scientists study dinosaur tracks to learn about their behavior.