Definition of Dinosaur

an (usually large) ancient reptile that lived millions of years ago

Examples of Dinosaur in a sentence

The dinosaur bones were buried deep within the earth and painted a detailed picture of what life was like as a reptile years ago.  

Gigantic and strong, the meat-eating dinosaur ruled the reptile world during the Mesozoic Era.  

During the Jurassic Age, the Troodon was the most intelligent dinosaur, and the ancient reptile used its smarts to catch prey.  

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