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A large carnivorous theropod dinosaur of the genus Megalosaurus of the Jurassic Period, having a large head and short forelimbs. Megalosaurus was the first dinosaur given a scientific name (1824).

[New Latin Megalosaurus, genus name : megalo- + Greek sauros, lizard.]

meg′a·lo·sau′ri·an adj. & n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.megalosaurus - gigantic carnivorous bipedal dinosaur of the Jurassic or early Cretaceous in Europemegalosaurus - gigantic carnivorous bipedal dinosaur of the Jurassic or early Cretaceous in Europe
bird-footed dinosaur, theropod, theropod dinosaur - any of numerous carnivorous dinosaurs of the Triassic to Cretaceous with short forelimbs that walked or ran on strong hind legs
genus Megalosaurus - type genus of the Megalosauridae
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
As much mud in the streets as if the waters had but newly retired from the face of the earth, and it would not be wonderful to meet a Megalosaurus, forty feet long or so, waddling like an elephantine lizard up Holborn Hill.
Visitors can enjoy images of Megalosaurus, Diplodocus and Iguanadon, which all received their names during the 19th century, when the word "dinosaur" was also created.
So the lack of finds here is probably more to do with the built-up nature of the area more than anything else and we can rest assured that everything from the two-metre high Iguanodon - one of the duck-billed Ornithopod dinosaurs - the armoured Hylaeosaurus and the massive Megalosaurus would have roamed the area we now call home.
A scan of a megalosaurus fossil dug up about 200 years ago, for example, ( revealed hidden teeth in the jaw while a scan of a 385-million-year-old shark showed new details that helped scientists pinpoint when the evolutionary lines of ( sharks and humans split off from one another.
Discussion: MG 4811 was initially assigned to Megalosaurus pombali by Lapparent and Zbyszewski (1957).
the In 1824, Buckland became president of the Geological Society of London and announced his greatest discovery, the fossil bone of a giant reptile he dubbed Megalosaurus. He had discovered and labelled the first dinosaur.
2 The first dinosaur found that was identified scientifically as a dinosaur was the Megalosaurus in 1824.
FOURTH FLOOR On this level, you and your kids will discover replica skeletons of dinosaurs including a full-size Megalosaurus, fossilised reptile footprints and Ice Age mammal bones plus explore the canopy of a steamy jungle and see a magnicent lion in the African plains.
Jurassic is correct, and DJ Pat tells us that the other two are "Triassic'' and "Cretaceous.'' We are bummed out and our slide continues (Note: I just looked this up on Wikipedia and saw that the Mesozoic Era featured dinosaurs like Megalosaurus. I demand a recount!
We might think of the "Megalosaurus" trudging through the London mud in the opening of Dickens's Bleak House, or his comment in Dombey and Son that the urban landscape has become as "unintelligible as any dream." (47) Or consider the depiction of the Black Country, quoted above, that imagines a vision out of Dante's Inferno realized on earth.
The first dinosaur discovery -- Megalosaurus -- was made in 1824