What is the meaning of Tartar?

A red compound deposited during wine making; mostly potassium hydrogen tartrate — a source of cream of tartar.

A hard yellow deposit on the teeth, formed from dental plaque.

A fearsome or angrily violent person.

tartare (chopped fine and served raw)

A dish prepared with finely chopped, raw ingredients; in English the names of these dishes are formed with the adjective "tartare".

Alternative form of tartare

Tartar (of or relating to any of several Turkic groups)

passive singular present subjunctive perfective prototonic of do·beir

hell

tartar

Source: wiktionary.org