tartar

¹tar·tar

noun \ˈtär-tər\

Definition of TARTAR

1

: a substance consisting essentially of cream of tartar that is derived from the juice of grapes and deposited in wine casks together with yeast and other suspended matters as a pale or dark reddish crust or sediment; especially : a recrystallized product yielding cream of tartar on further purification

2

: an incrustation on the teeth consisting of plaque that has become hardened by the deposition of mineral salts (as calcium carbonate)

Origin of TARTAR

Middle English, from Anglo-French, from Medieval Latin tartarum

First Known Use: 14th century

Rhymes with TARTAR

barter, carter, charter, darter, garter, martyr, starter