Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A very large herbivorous sauropod dinosaur of the genus Apatosaurus of the Jurassic Period, having a long neck and tail and a small head.

from The Century Dictionary.

  • noun A genus of dinosaurian reptiles of the family Camarasauridæ, described by Marsh from the Upper Jurassic rocks of Colorado.

from the GNU version of the Collaborative International Dictionary of English.

  • noun a genus of extinct dinosaurs comprising the brontosaurs; apatosaurs.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A very large sauropod dinosaur of the genus Apatosaurus (or Brontosaurus ) of the late Jurassic Period. Apatosaurs had a long neck and tail and a relatively small head.

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

  • noun huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic

Etymologies

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

[New Latin Apatosaurus, unreal lizard, genus name : Greek apatē, untruth, lie + Greek sauros, lizard.]

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Examples

  • Here over thirteen hundred footprints of the plant-eating apatosaurus a.k.a. brontosaurus and the carnivorous three-toed allosaurus, ripple marks, a few clams, a palm frond and some horsetails, fish bones, ooids have all solidified into solid rock.

    Bird Cloud Annie Proulx 2011

  • Here over thirteen hundred footprints of the plant-eating apatosaurus a.k.a. brontosaurus and the carnivorous three-toed allosaurus, ripple marks, a few clams, a palm frond and some horsetails, fish bones, ooids have all solidified into solid rock.

    Bird Cloud Annie Proulx 2011

  • Here over thirteen hundred footprints of the plant-eating apatosaurus a.k.a. brontosaurus and the carnivorous three-toed allosaurus, ripple marks, a few clams, a palm frond and some horsetails, fish bones, ooids have all solidified into solid rock.

    Bird Cloud Annie Proulx 2011

  • Here over thirteen hundred footprints of the plant-eating apatosaurus a.k.a. brontosaurus and the carnivorous three-toed allosaurus, ripple marks, a few clams, a palm frond and some horsetails, fish bones, ooids have all solidified into solid rock.

    Bird Cloud Annie Proulx 2011

  • Between them they named 130 species, doubling the number known to science, though many were so hastily identified, and based on so few bones, that they turned out to be duplicates (such as the massive herbivore apatosaurus, a.k.a brontosaurus) or mix-ups (such as the three-horned triceratops, which Marsh swore was "one of the largest of American bovines").

    Forbes.com: News Jonathon Keats 2011

  • I think the brontosaurus was renamed apatosaurus (I think I saw that in a movie).

    Not one, but TWO creation museums! « Dating Jesus 2009

  • The sauropods include many of the best known prehistoric animals, such as diplodocus and apatosaurus – the dinosaur formerly known as brontosaurus.

    Dinosaurs with long necks were like 1950s vacuum cleaners, say scientists 2011

  • The name brontosaurus is not correct as the animal formerly called that turned out to be actually an apatosaurus with the head of a camarasaurus.

    More Dinosaur Concept Art Spotted at Pixar | /Film 2010

  • The unexpected apatosaurus, triceratops, and tyrannosaurus rex molds had been brought in specially for this year's Dinosaurs Alive! animatronic dino exhibit.

    Mike Doyle: Mold-A-Rama Madness! 2009

  • Only you and John would hav an apatosaurus model on top of your kitchen cabinets!

    1/12th Scale Apatosaurus Model ReBecca Foster 2009

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