any of several extinct members of the cat family Felidae from the Oligocene to Pleistocene Epochs, having greatly elongated, saberlike upper canine teeth.
Origin of saber-toothed tiger
First recorded in 1840–50
Also called sa·ber·tooth [sey-ber-tooth] /ˈseɪ bərˌtuθ/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019