noun: (now rare) The language of the Tartars; Tatar.
noun: (dated) Any of various varieties of cherry. The Black Tartarian is a sweet cherry from Russia; the White Tartarian is a French variety of the early 1800s.
adjective: Of or relating to Tartary or the Tartars; Tartaric.
adjective: Pertaining to Tartarus; hellish, infernal.