smilodon

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smi·lo·don

S0495150 (smī′lə-dŏn′)n. Any of various extinct saber-toothed cats of the genus Smilodon, having very long upper canines and widespread in Europe and the Americas during the late Pleistocene Epoch. Also called saber-toothed tiger.
[New Latin Smīlodōn, genus name : Greek smīlē, carving knife + -odon.]

smilodon

(ˈsmɪləˌdɒn) n (Palaeontology) the genus of extinct big cats of the Pleistocene epoch to which the sabre-toothed tiger belongs