waistcoateer

Century Dictionary and Cyclopedia

1. n. One who wears a waistcoat as a principal garment, without a coat or upper gown; in the seventeenth and eighteenth centuries, in London, a prostitute (probably from being so dressed).

GNU Webster's 1913

1. n. One wearing a waistcoat; esp., a woman wearing one uncovered, or thought fit for such a habit; hence, a loose woman; strumpet.