Dictionary
al•lo•saur
Pronunciation: (al'u-sôr"), [key]—
n.
a carnivorous dinosaur of the genus
Antrodemus (formerly
Allosaurus), from the late Jurassic Period of North America, that was about 30 ft. (9 m) long.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.