from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various carnivorous dinosaurs of the late Jurassic and early Cretaceous Periods, similar to but smaller than the tyrannosaur.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of several carnivorous dinosaurs, of the superfamily Allosauroidea, from the late Jurassic and early Cretaceous periods

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus


New Latin Allosaurus, genus name : Greek allos, other; see allo- + Greek sauros, lizard.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • She's just finished one of her fabulous BIG MAMA stories and this one involved a darling, feathered arctic allosaur named "Alfred."

    Day in the Life of an Idiot

  • There's a panel in which a mounted allosaur is is blown up, and the skeleton has been pencilled with adoring detail; it even has recognisably Saurischian hip anatomy and is lit really dramatically by the explosion.

    The Week's Comics: GA/BC #19, Oracle #2

  • No one knows who built Greylag; none can say if they were of the race of men or some older, forgotten race that walked upon the earth when the brachiosaurus still made his home in the swamps and the allosaur still gazed out from the hills at dusk, razor teeth glinting in the sunset, and called her hideous children home.

    Jasper Dash and the Flame-Pits of Delaware

  • He found an 18-foot-long, nearly complete, young allosaur, an ancestor of T. rex that lived 135 million years ago.

    New Theories And Old Bones Reveal The Lifestyle Of The Dinosaur

  • Next thing you know, they're in the Lost Valley of Lost Dinosaurs, where they find the fearsome Gwangi-an allosaur, apparently, that they capture for exhibition (like they could really keep it in that wooden cage).

    Cowboy 'n' Dinosaurs

  • The Host South Korea, Joon-ho Bong Not quite a daikaiju, the titular monster is only about the size of an allosaur.

    Kenneth Hite's Journal

  • Of course, if a wild allosaur blundered into the city ....

    A Case Of Conscience

  • The larger forms almost completely disappeared, and those that survived (such as the Lithian allosaur) are now almost as rare as the terrestrial elephant (as compared for instance, with the many elephant species of the Pleistocene.)

    A Case Of Conscience

  • Their jaw was hinged in the very back of their skull enabling the allosaur to open its mouth wide to deliver

    CreationWiki - Recent changes [en]

  • Their jaw was hinged in the very back of their skull enabling the allosaur to deliver a massive bite and cheeks that could expand to take is huge pieces of food.

    CreationWiki - Recent changes [en]


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