sabre-toothed tiger

tiger, now extinct, having (usu two) sabre-like teeth 剑齿虎（已绝种）.

ruthless, ruthlessly, ruthlessness, rye, S, S, s, S-bend, s. s., SA, Sabbatarian, sabbath, sabbatical, sable, sabot, sabotage, saboteur, sabra, sabre (US saber), sabre-rattling, sabre-toothed, sabretoothed, sac, saccharin, saccharine, sacerdotal, sacerdotalism, sachet, sack, sack-race, sackcloth, sackful, sacking, sacrament, sacramental, sacred, sacredly, sacredness, sacrifice, sacrifice sth. for, sacrifice to,