1
: a genus of very large, herbivorous, sauropod dinosaurs (family Diplodocidae) that lived during the late Jurassic period, closely resemble the related Diplodocus dinosaurs, and may have attained a length of up to 90 feet (27 meters) with a neck length of 30 feet (9.1 meters)
… advanced the peculiar idea that the long-necked Barosaurus needed eight hearts to pump enough blood to its head.—
Paul Hoffman, Discover, January 1993
2
barosaurus
or less commonly barosaur
,
plural barosauruses
or less commonly barosaurs
: a dinosaur of the genus Barosaurus
A five-story barosaurus is rearing up to protect her baby barosaurus and to smash a marauding allosaurus with a nasty overbite.—Leslie Camhi, Village Voice, 26 July 1994 If the barosaur couldn't rear up on its hind legs, how did it defend itself?—Jack Hitt, Discover, September 2006
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Merriam-Webster unabridged
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