Dinosaur National Monument
a national monument in NE Utah and NW Colorado: site of prehistoric animal fossils. 322 sq. mi. (834 sq. km).
Jurassic Words: 9 Dinosaur Names ExplainedThey may have roamed the earth millions of years ago, but the word dinosaur has been with us for a relatively short period of time.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019