tartar

Short definition from Wiktionary

Noun

1. 1
   A red compound deposited during wine making; mostly potassium hydrogen tartrate — a source of cream of tartar.
2. 2
   A hard yellow deposit on the teeth, formed from dental plaque.
3. 3
   A fearsome or angrily violent person.
4. 4
   Alternative spelling of Tatar.
5. 5
   A member of the various tribes and their descendants of Tartary, such as Turks, Mongols and Manchus.
6. 6
   A person of a keen, irritable temper.
7. 7
   A rough or violent event.

Adjective

1. 1
   Of or relating to the people or culture of Tartars.

Proper noun

1. 1
   One of the tributary rivers of the Kura, flowing through Artsakh and Azerbaijan.
2. 2
   A town in Azerbaijan located on this river.