( BrE ) ( US saber·tooth ) / ˈseɪbətuːθ; NAmE -bərt-/ ( BrE also ˌsabre-toothed ˈtiger ) ( US also ˌsaber-toothed ˈtiger ) noun
a large animal of the cat family with two very long curved upper teeth, that lived thousands of years ago and is now extinct