allosaurus

¹ American  

[al-uh-sawr-uhs] / ˌæl əˈsɔr əs /

noun

plural

allosauruses

1. allosaur.

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Allosaurus ² American  

[al-uh-sawr-uhs] / ˌæl əˈsɔr əs /

noun

1. Older Use. the genus Antrodemus.

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allosaurus Scientific  

/ ăl′ə-sôr′əs /

1. Any of various carnivorous dinosaurs of the genus Allosaurus of the late Jurassic and early Cretaceous Periods. Allosaurs were similar to but smaller than tyrannosaurs.

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Other Word Forms

• allosauroid adjective

Example Sentences

I still remember being wowed by a stegosaurus trying to fend off an allosaurus and being sad about a T. rex that died trying to protect her babies.

From Los Angeles Times • May 15, 2025

“Recent papers about allosaurus cannibalism are pretty interesting because it means, I think, they did not care if they were scavenging sauropods or anything, even other allosauruses, they were fine with it,” he said.

From Salon • Nov. 2, 2023

Gualicho shinyae belongs to a different type of dinosaurs called allosaurus, which scientists previously saw with strong, full-sized arms.

From Time • Jul. 14, 2016

A fossilised allosaurus skeleton went under the hammer today at Summers Place Auctions in West Sussex.

From The Guardian • Nov. 25, 2015

While minute particles of dust and dirt rained down from the disappearing barrier, the foremost allosaurus opened its enormous jaws, uttered an eery scream and charged straight at the unbarred cell.

From Astounding Stories, March, 1931 by Various