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apatosaurus

apatosaurus noun: a large sauropod dinosaur of the genus Apatosaurus of the late Jurassic Period, having a long neck and tail and a relatively small head.

Noun

apatosaurus (plural apatosauruses or apatosauri)

  1. A large sauropod dinosaur of the genus Apatosaurus of the late Jurassic Period, having a long neck and tail and a relatively small head.
    • The American Museum of Natural History’s dinosaur collection is currently under wraps, awaiting the completion of its new display space. The world-renowned collection of saber-toothed tigers, mammoths, apatosauri, and other fossilized vertebrates (does that include Ronald Reagan and Jesse Helms?)...1994, Joseph Downton, Eva Leonard, Detour’s New York: The Alternative Guide, Sacramento, Calif.: Detour Publications, →ISBN, page 284, column 2
    • In 2342, the fossils were rediscovered during a dig organized by the Atlantic Paleo-Genetic Reclamation Project of the Intersolar Terraforming Commission. They were just the sort of raw material that the Project was looking for. / The Commission had set up a planet that was perfect for millet...1997, Stepan Chapman, The Troika, Tallahassee, Fla.: Ministry of Whimsy Press, →ISBN, pages 185–186
    Synonyms:
    apatosaur

Synonyms of apatosaurus

Forms of apatosaurus

pluralapatosauruses
pluralapatosauri

Origin of apatosaurus

From Ancient Greek ἀπάτη (apátē, “trick, deception”) + -saurus, due to initial confusion over the analysis of the vertebral elements.

Questions about apatosaurus

What does apatosaurus mean?
Apatosaurus means a large sauropod dinosaur of the genus Apatosaurus of the late Jurassic Period, having a long neck and tail and a relatively small head.
What part of speech is apatosaurus?
Apatosaurus is a noun.
What is the plural of apatosaurus?
The plural of apatosaurus is apatosauruses.

Words near apatosaurus in the dictionary

  1. apatosaur
  2. apatosauri
  3. apatosaurine
  4. apatosaurines
  5. apatosaurs
  6. apatosaurus
  7. apatosauruses
  8. apatotherian
  9. apatotherians
  10. Apatovian
  11. Apatow

Source and license

Adapted from Wiktionary: apatosaurus (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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