Definition of Jurassic. : of, relating to, or being the period of the Mesozoic era between the Triassic and the Cretaceous or the corresponding system of rocks marked by the presence of dinosaurs and the first appearance of birds — see Geologic Time Table.
Jurassic (adj.) "of or pertaining to the geological period between the Triassic and the Cretaceous," 1823, from French Jurassique, literally "of the Jura Mountains," between France and Switzerland, whose limestones were laid down during this geological period. The name was chosen by von Humboldt. As a noun from 1831.
Jurassic World (also known New Park) is a theme park located in Isla Nublar. JURASSIC WORLD will be a real running theme park, complete with a monorail (as teased in recent concept art above), shops, rides, and shows.
During the entire Jurassic period, dinosaurs were the dominant land animals, and many of the more familiar types of dinosaurs appeared including Allosaurus, Apatosaurus, Brachiosaurus, Ceratosaurus, Diplodocus, Kentrosaurus and Stegosaurus.