What is the meaning of Wench?

A girl or young woman, especially a buxom or lively one.

A girl or young woman of a lower class.

Used as a term of endearment for a female person, especially a wife, daughter, or girlfriend: darling, sweetheart.

A woman servant; a maidservant.

A promiscuous woman; a mistress (other woman in an extramarital relationship).

A prostitute.

A black woman (of any age), especially if in a condition of servitude.

To frequent prostitutes; to whore; also, to womanize.

a promiscuous woman; a mistress (other woman in an extramarital relationship).

Source: wiktionary.org