Sharp to the taste; acid; sour.
I ate a very tart apple.
(of wine) high or too high in acidity.
Sharp; keen; severe.
He gave me a very tart reply.
A type of small open pie, or piece of pastry, containing jelly or conserve; a sort of fruit pie.
A prostitute.
By extension, any woman with loose sexual morals.
To practice prostitution
To practice promiscuous sex
To dress garishly, ostentatiously, whorishly, or sluttily