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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.
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.
Dinosaurs - Young archaeologists create their own fossils, excavate a Megalosaurus tooth, build a T-Rex skeleton, and more with this dino discovery adventure they'll really "dig
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.
Part of a travelling exhibit, the Dinosaur Trail features a diverse range of animated dinosaurs that also include the Acrocanthosaurus, Brachiosaurus, and Megalosaurus.
rex skull, a huge Triceratops skull, real fossils that are over 100 million years old, and a seven metre long replica of the UK's largest carnivorous dinosaur - Megalosaurus.
Dickens' megalosaurus wandering up Holborn Hill is a hallucinatory flash of wit; Ruskin's dragon guarding the Golden Apples of the Hesperides a geological formation with an economic allegory inside it; Melville's squid provocatively rising into view, then sinking, then surfacing once more, a "vast pulpy mass" without "perceptible face or front .
Batty said an anonymous wealthy sponsor had come forward to help the museum with its bid to have the triceratops join its current collection which includes a skeleton of a megalosaurus.
While I wasn't looking for it, the giant dinosaur Megalosaurus bucklandi jumped out at me with a 4+4=8-letter 'cracked word', one more familiar in the plural.