Usually means: Prehistoric carnivorous dinosaur, Jurassic period.
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We found 18 dictionaries that define the word allosaurus:

General (15 matching dictionaries)
  1. allosaurus: Merriam-Webster
  2. Allosaurus, allosaurus: Oxford Learner's Dictionaries
  3. allosaurus: Collins English Dictionary
  4. allosaurus: Vocabulary.com
  5. Allosaurus, allosaurus: Wordnik
  6. allosaurus: Wiktionary
  7. allosaurus: Webster's New World College Dictionary, 4th Ed.
  8. allosaurus: The Wordsmyth English Dictionary-Thesaurus
  9. allosaurus: Dictionary.com
  10. Allosaurus: Wikipedia, the Free Encyclopedia
  11. allosaurus: Rhymezone
  12. allosaurus: FreeDictionary.org
  13. allosaurus: Mnemonic Dictionary
  14. allosaurus: TheFreeDictionary.com
  15. allosaurus: Merriam-Webster

Computing (1 matching dictionary)
  1. Allosaurus: Encyclopedia

Science (1 matching dictionary)
  1. Dinosaurs from A-Z (No longer online)

Slang (1 matching dictionary)
  1. Allosaurus: Urban Dictionary

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Definitions from Wiktionary (allosaurus)

▸ noun:  A large, carnivorous dinosaur, of genus Allosaurus, that lived in the Jurassic period.

Similar:
allosaur, allosaurid, albertosaurus, alamosaur, brachiosaurus, allosauroid, ankylosaurus, tyrannosaurus, tyrannosaur, megalosaurian, more...

Opposite:
small, weak, peaceful.

Phrases:
allosaurus fragilis, genus allosaurus, more...

▸ Words similar to allosaurus

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Similar:
allosaur, allosaurid, albertosaurus, alamosaur, brachiosaurus, allosauroid, ankylosaurus, tyrannosaurus, tyrannosaur, megalosaurian, more...

Opposite:
small, weak, peaceful.

Phrases:
allosaurus fragilis, genus allosaurus, more...



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