Dinosaur meaning

dīnə-sôr
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The definition of a dinosaur is someone who resists change or is old-fashioned.

An example of a dinosaur is the person in the office who still sends messages by fax.

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Someone or something thought of as being old-fashioned, outmoded, resistant to change, etc.
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Any of various extinct, mostly land-dwelling, four-limbed saurischian or ornithischian reptiles of the Mesozoic Era, including some c. 30 m (98.4 ft) long: the flesh-eaters usually walked on their hind limbs, the plant-eaters on all fours.
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A relic of the past.
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(loosely) Any large, extinct reptile of the Paleozoic or Mesozoic eras.
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Any of various extinct reptiles of the orders Saurischia and Ornithischia that flourished during the Mesozoic Era. Dinosaurs were carnivorous or herbivorous, dwelled mostly on land, and varied from the size of a small dog to the largest land animals that ever lived. One group of dinosaurs evolved into birds.
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Any of the creatures belonging to the clade Dinosauria, especially those which existed during the Triassic, Jurassic and Cretaceous periods and are now extinct. [from c. 1840]
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(proscribed) Any extinct reptile, not necessarily belonging to Dinosauria, existing between about 230 million and 65 million years ago.
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(figuratively, colloquial) A person or organisation which is very old or has very old-fashioned views or is not willing to change and adapt.
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(figuratively, colloquial) Anything that is no longer in common use or practice.
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A dinosaur is defined as any of the large, extinct reptiles that roamed Earth during the Paleozoic and Mesozoic eras.

An example of a dinosaur is the Brontosaurus.

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One that is hopelessly outmoded or unwieldy.
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Origin of dinosaur

  • New Latin Dīnosauria group name from Dīnosaurus former genus name Greek deinos monstrous Greek sauros lizard

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Ancient Greek δεινός (deinos, “terrible, awesome, mighty, fearfully great”) + σαῦρος (sauros, “lizard, reptile”).

    From Wiktionary