brontosaurus

noun

Save Word

bron·to·sau·rus | \ ˌbrän-tə-ˈsȯr-əs

variants: or less commonly brontosaur \ ˈbrän-tə-ˌsȯr

Definition of brontosaurus

: any of a genus (Apatosaurus) of very large sauropod dinosaurs of the Late Jurassic : apatosaurus

Note: The name brontosaurus continues to be commonly used for these dinosaurs even though their former genus name (Brontosaurus) is considered invalid.

Examples of brontosaurus in a Sentence

Recent Examples on the Web Sauropods' species include the popularized brontosaurus and were known for their long necks and tails. — Scott Gleeson, USA TODAY, 20 July 2022 On one side, there’s a T-rex that is 30 feet tall, on the other side is a brontosaurus that is 39 feet tall. — Sheryl Devore, chicagotribune.com, 26 Apr. 2021 The latest attraction at the Volo Auto Museum is not a car — but a dinosaur, actually dozens of animatronic dinosaurs including a 30-foot-tall Tyrannosaurus rex and a 35-foot tall brontosaurus. — Sheryl Devore, chicagotribune.com, 26 Apr. 2021 Ultimately, only two were built: a 45-foot-tall, 150-foot-long brontosaurus and a Tyrannosaurus rex named Mr. Rex. — Los Angeles Times, 23 Mar. 2021 For years after the park closed, the skeleton of the Big Plunge towered over I-25 like the neck of a brontosaurus. — Rachel Syme, The New Yorker, 10 Sep. 2020 Two full-figured men snacking on brontosaurus burgers, married to women with waists that are the same size as their necks. — Katie Musgrave, refinery29.com, 20 May 2020 An orphaned brontosaurus teams up with other young dinosaurs in order to reunite with their families in a valley. — Ben Flanagan | Bflanagan@al.com, al, 16 Mar. 2020 Trip skids across the floor at Hinkle Fieldhouse before games, finding his brontosaurus-sized bone and standing with it in front of the Butler bench seconds before tipoff. — Gregg Doyel, Indianapolis Star, 22 Jan. 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'brontosaurus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.