sabretooth
sabre |tooth |ˈseɪbətuːθ | ▶noun 1 (also sabre-toothed cat or tiger ) a large extinct carnivorous mammal of the cat family, with massive curved upper canine teeth. ●Several genera in the family Felidae, in particular Smilodon of the American Pleistocene and Machairodus of the Old World Pliocene. 2 a large extinct marsupial mammal of the South American Pliocene, with massive curved upper canine teeth. ●Genus Thylacosmilus, family Borhyaenidae.