carnosaurPronunciation: /ˈkɑːnəsɔː/Definition of carnosaur noun a large bipedal carnivorous dinosaur, typically one with greatly reduced forelimbs. Infraorder Carnosauria, suborder Theropoda, order Saurischia; includes tyrannosaurus, allosaurus, and megalosaurus Origin: 1930s: from modern Latin, from Latin caro, carn- 'flesh' + Greek sauros 'lizard'carnosaur in other Oxford dictionaries Definition of carnosaur in the US English dictionary