Jump To:

• Brachiosaurus
  Brachiosaurus

  noun

  Paleontology. a genus of dinosaurs with forelegs distinctively longer than its hind legs, among the largest of all known dinosaurs.
• brachiosaurus
  brachiosaurus

  noun

  a dinosaur of the genus Brachiosaurus , up to 30 metres long: the largest land animal ever known See also sauropod

Brachiosaurus

American  

[bra-kee-uh-sawr-uhs] / ˌbræ ki əˈsɔr əs /

noun

1. Paleontology. a genus of dinosaurs with forelegs distinctively longer than its hind legs, among the largest of all known dinosaurs.

2. (brachiosaurus) a dinosaur of the genus Brachiosaurus; brachiosaur.

---

brachiosaurus British  

/ ˌbreɪkɪəˈsɔːrəs, ˌbræk- /

noun

1. a dinosaur of the genus Brachiosaurus , up to 30 metres long: the largest land animal ever known See also sauropod

---

brachiosaurus Scientific  

/ brā′kē-ə-sôr′əs /

1. A very large sauropod dinosaur of the genus Brachiosaurus of the Jurassic and Cretaceous Periods. It had forelegs that were longer than its hind legs, and nostrils on top of its head.

---

Example Sentences

See Examples For:

Brachiosaurus brachiosaurus

At that time, some of the most iconic dinosaurs roamed the Earth, including the towering Brachiosaurus, the fierce Allosaurus, and the plate-backed Stegosaurus.

From Science Daily ● May 21, 2026

Looking at Colossal’s wolves, I don’t even feel a “wow” moment like Ellie Sattler had spotting an InGen-made Brachiosaurus in Jurassic Park.

From Slate ● Apr. 10, 2025

Bites were detected on sauropod bones belonging to Camarasaurus, Galeamopus and Suuwassea as well as bones probably but not definitively belonging to Diplodocus, Apatosaurus and Brachiosaurus.

From Reuters ● Nov. 16, 2023

This group of long-necked, four-legged herbivores, such as the celebrated species Apatosaurus and Brachiosaurus, included the largest creatures to ever walk the planet.

From Scientific American ● Aug. 31, 2022

After the first couple of hours of nothing, you stop waiting for somebody to yell “Eureka!” and haul a Brachiosaurus femur out of the dirt, holding it over their head like the Stanley Cup.

From "Linked" by Gordon Korman

James Ortiz’s towering puppet creations straight from the prehistoric era — a woolly mammoth and brachiosaurus — in “The Skin of Our Teeth” were also a visual delight.

From New York Times ● May 18, 2022

Titanosaurs were a type of sauropods, or the long-necked, long-tailed and massive behemoths whose most famous members include the brontosaurus, apatosaurus and brachiosaurus.

From Salon ● Apr. 5, 2021

I know the raptor scene was the one that most people remember, but for me, it was the brachiosaurus scene.

From Washington Times ● Jan. 9, 2017

So it seemed like a good time to expose him and his 9-year-old brother, Jack, to the real land of the allosaurus and brachiosaurus.

From Washington Post ● Dec. 31, 2014

The brachiosaurus paused to watch them hurry off and hooted sympathetically.

From "Dactyl Hill Squad" by Daniel José Older