Noun

• S: (n) prostitute, cocotte, whore, harlot, bawd, tart, cyprian, fancy woman, working girl, sporting lady, lady of pleasure, woman of the street (a woman who engages in sexual intercourse for money)
• S: (n) tart (a small open pie with a fruit filling)
• S: (n) tart (a pastry cup with a filling of fruit or custard and no top crust)

Adjective

• S: (adj) lemony, lemonlike, sourish, tangy, tart (tasting sour like a lemon)
• S: (adj) sharp, sharp-worded, tart (harsh) "sharp criticism"; "a sharp-worded exchange"; "a tart remark"