tartar

US /ˈtɑ:rtə(r)/

UK /ˈtɑ:tə(r)/

C2

noun

  • Yellow material that forms on the teeth and gums
  • A member of a Turkic-speaking group of people inhabiting parts of Russia and Central Asia.

other

  • A hard calcified deposit that forms on the teeth and contributes to their decay.
  • A crust or sediment formed in wine casks during fermentation.
  • A sauce made from mayonnaise, chopped pickles, capers, and herbs.