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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.
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
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.
A scan of a megalosaurus fossil dug up about 200 years ago, for example, (http://www.
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.
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.
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.
The first dinosaur discovery -- Megalosaurus -- was made in 1824
The impressive display featured 10 life-size dinosaurs, including a Megalosaurus - the largest predator in the UK - animatronics, touch screen games and a holographic video of TV presenter Chris Packham.
He knew perfectly well that strange animals had become extinct in the remote past: It is to Buckland that we owe the first full published account of a dinosaur, a megalosaurus.
Recordemos que la palabra "dinosaurio" (del griego Servoc ooropoc lagarto terrible) fue creada en el ano 1841 por Richard Owen para referirse a los restos de tres grandes reptiles mesozoicos: Megalosaurus, Iguanodon y Hylaeosaurus (Lockley and Meyer, 2000).
Se dividen en cuatro familias: Megalosaurids, que comprende a los generos Megalosaurus, Allosaurus, Dryptosaurus, Carcharodontosaurus, Piatnizkysaurus y Xuanhanosaurus; Spinosauridae, como el Spinosaurus y el Acrocanthosaurus; Tyrannosaurids, que obviamente incluye al famosisimo Tyrannosaurus rex, y a los Albertosaurus, Daspletosaurus, Tarbosaurus, Indosuchus y Giganotosaurus; y finalmente la Abelisaurids, que incluye a los generos Abelisaurus, Ceratosaurus, y el Carnotaurus --este ultimo aparece en la pelicula Dinosaurio (2000) de Disney; es el de color rojo y cuernos sobre los ojos.