Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A very large herbivorous sauropod dinosaur of the genus Argentinosaurus of the Cretaceous Period, having a long neck and tail and a small head.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[New Latin Argentinosaurus, genus name : Argentina, Argentina (where its remains were found) + Greek sauros, lizard.]
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