Definition of megalosaurus noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌmeɡələˈsɔːrəs//
; NAmE NAmE//ˌmeɡələˈsɔːrəs//
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a type of dinosaur whose bones were the first to be studied by scientists in the 19th century Word Originmodern Latin, from megalo- ‘great’ + Greek sauros ‘lizard’.
See the Oxford Advanced American Dictionary entry: megalosaurus