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