What does saurus as in tyranaSAURUS stand for?

How would blocking the suns rays cause dinosaurs and other organisms to die? Does a velociraptor walk on four legs? What do unicorn farts smell like? Which dinosaur had nostril near the top of its Head that functioned like a natural snorkel? What does a real t rex look like? What were the forests like when it was the dinosaur times? What The word dinosaur means? How many thumbs does iguanodon have? What game does metors fall out of the sky and dinos make the metors go away before it hit themes? What prehistoric animals lived in Floridia? Did dinosaurs walk on there toes or on there whole foot? Who would win suchomimus vs 3 tyrannosaurus rex? What is a flying dinosaur's name with 11 letters? What is a blatosmargodendrisaurus? How rare was the t-rex? Where did the megaladon live? What type of plants existed at the same time stegosaurus lived? What animals survived they Pangaea? Was the t rex from the Jurassic era? How big is a t-rex claw?