Argentinosaurus
noun
Ar·gen·ti·no·sau·rus
ˌär-jən-¦tē-nə-¦sȯr-əs
1
: a genus of very large sauropod dinosaurs containing a single known species (Argentinosaurus huinculensis) that lived during the Cretaceous period and had a massive body with a very long neck
These seven vertebrae belonged to Argentinosaurus, a long-necked vegetarian dinosaur, or sauropod, that may have outweighed other giants by 40 metric tons.—Tim Appenzeller, Science, 16 Dec. 1994
2
argentinosaurus
or argentinosaur
plural argentinosauruses or argentinosaurs
: a dinosaur of the genus Argentinosaurus
This was the year news broke of ongoing excavation of the biggest dinosaur found to date: argentinosaurus, an apatosaurus-looking creature weighing 100 tons.—Bill Dietrich, Seattle Times, 26 Dec. 1995
This family included argentinosaur, thought to be the largest animal ever to walk the Earth …—Advocate (Baton Rouge, Louisiana), 28 Sept. 2001
Note: The only fossil specimen for this genus was found in Argentine Patagonia and is one of the largest dinosaurs ever discovered.
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Merriam-Webster unabridged
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