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