tartar meaning and definition

TARTAR noun

Definition of tartar (noun)

1. a salt used especially in baking powder
   • synonyms: cream of tartar, potassium bitartrate, potassium hydrogen tartrate
2. a fiercely vigilant and unpleasant woman
   • synonyms: dragon
3. a member of the Mongolian people of central Asia who invaded Russia in the 13th century
   • synonyms: Mongol Tatar, Tatar
4. an incrustation that forms on the teeth and gums
   • synonyms: calculus, tophus