saber-toothed cat

noun

variants or saber-toothed tiger or less commonly saber-tooth cat or saber-tooth tiger
1
: any of various extinct carnivorous cats (such as genus Smilodon) that were widely distributed in the Oligocene through the Pleistocene of both the Old and New World, are characterized by elongation of the upper canines into curved, piercing or slashing, dagger-like weapons and in enlargement of the gape with corresponding muscular and skeletal changes, and that constitute a distinct felid subfamily (Machairodontinae)
2
: any of various extinct North American, Eurasian, and African catlike carnivores (as of the genera Hoplophoneus and Nimravus of the family Nimravidae) of the Late Eocene to Late Miocene that resemble the typical saber-toothed cats

Word History

First Known Use

1849, in the meaning defined at sense 1

Time Traveler
The first known use of saber-toothed cat was in 1849

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Cite this Entry

“Saber-toothed cat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/saber-toothed%20cat. Accessed 2 Jul. 2026.

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