Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

allosaurus

play
noun al·lo·sau·rus \ˌa-lə-ˈsȯr-əs\

Definition of allosaurus

  1. :  any of a genus (Allosaurus) of very large carnivorous North American theropod dinosaurs of the late Jurassic period



Origin and Etymology of allosaurus

New Latin, from Greek all- + sauros lizard


First Known Use: 1886

Rhymes with allosaurus


ALLOSAURUS Defined for Kids

allosaurus

play
noun all·o·sau·rus \ˌa-lə-ˈsȯr-əs\

Definition of allosaurus for Students

  1. :  a large meat-eating dinosaur related to the tyrannosaur




Learn More about allosaurus


Seen and Heard

What made you want to look up allosaurus? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

the act or an instance of embezzling

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

fox-in-summer-forest

Which of these is a synonym of inchoate?

experimental massive formless frightening
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ