any of various extinct cats, closely resembling the tiger, but with a more massive body, shorter legs and tail, and long, curved upper canine teeth: found from the Oligocene to the Pleistocene, and of wide distribution
"saber-toothed tiger." YourDictionary, n.d. Web. 14 December 2018. <https://www.yourdictionary.com/saber-toothed-tiger>.
saber-toothed tiger. (n.d.). Retrieved December 14th, 2018, from https://www.yourdictionary.com/saber-toothed-tiger
(plural saber-toothed tigers)
Any of numerous species of prehistoric cat-like mammals (principally in subfamily Machairodontinae), characterized by massive, but short, legs and two large canine teeth, each about seven inches long and shaped like sabers.
English Wiktionary. Available under CC-BY-SA license.