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(Palaeontology) any very large Jurassic or Cretaceous bipedal carnivorous dinosaur of the genus Megalosaurus, common in Europe: suborder Theropoda (theropods)
[C19: from New Latin megalosaurus, from megalo- + Greek sauros lizard]
ˌmegaloˈsaurian adj, n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈmɛg ə ləˌsɔr)

any huge carnivorous dinosaur of the genus Megalosaurus, of the Jurassic and early Cretaceous periods.
[1835–45; < New Latin Megalosaurus. See megalo-, -saur]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.megalosaur - gigantic carnivorous bipedal dinosaur of the Jurassic or early Cretaceous in Europemegalosaur - 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 periodicals archive ?
Scary selfie Laura Jenkins, 11, from Howwood, with the Megalosaur head in the Piazza Centre
Yorkshire's Jurassic World, Yorkshire Musuem, York (until March 2020) TRAVEL back 150 million years to serve a sauropod its supper, inspect an ichthyosaur, and marvel at a megalosaur tooth, in this major exhibition that introduces the dinosaurs and sea monsters that once roamed the North.
Sciurumimus-identified as a megalosaur,nota coelurosaur- is the first exception to this rule.
(2002): Discovery of megalosaur (Dinosauria, Theropoda) in the middle Bathonian of Normandy (France) and its implications for the phylogeny of basal Tetanurae.