Tyrannosaurus rex

[ ti-ran-uh-sawr-uhs reks, tahy‐ ]

noun

1. tyrannosaur ( def ).

Tyrannosaurus rex

1. A large, carnivorous ( see carnivore ) dinosaur that walked on two legs. Its name is from the Greek words meaning “tyrant” and “lizard” and the Latin word for “king.”

Word History and Origins

Origin of Tyrannosaurus rex¹

First recorded in 1905–10; New Latin Tyrannosaurus, the genus name; tyrannosaur ( def ) + Latin rex “king”; rex ( def )

Example Sentences

So while technically the plant isn't extinct on the same level as a Tyrannosaurus rex, it is still severe and can negatively impact ecosystems.

From Salon

A dinosaur skeleton found by a teenager over 20 years ago has led to the naming of a new dinosaur related to the Tyrannosaurus rex.

From NewsForKids.net

Despite films like "Jurassic Park" depicting Tyrannosaurus rex as nothing more than a stupid killing machine, Dr. Suzana Herculano-Houzel believes the mighty dinosaur "deserves better."

From Salon

As he cranes his neck to marvel at Thomas, the 34-foot-tall Tyrannosaurus rex that holds court in the middle of the room, I ask if he was a kid who went through a dinosaur phase.

From Los Angeles Times

And yet another study concluded that Spinosaurus, a massive dinosaur that was larger than Tyrannosaurus rex and thought to be aquatic, would have actually have been a poor swimmer, and thus likely stayed on land.

From Science Daily