Dinosaur — definition
1. dinosaur (Noun)
2 definitions
dinosaur (Noun) — Any of numerous extinct terrestrial reptiles of the Mesozoic era.
dinosaur (Noun) — An old-fashioned person, organization or thing, not willing or able to change and adapt.
3 types of
archosaur archosaurian archosaurian reptile
11 types
argentinosaur diplodocus ground-shaker iguanodon ornithischian ornithischian dinosaur saurischian saurischian dinosaur seismosaur titanosaur titanosaurian