n. [ F. plaquer to lay or clap on. See Placard. ] 1. A petticoat, esp. an under petticoat; hence, a cant term for a woman. [ Obs. ] Beau. & Fl. [ 1913 Webster ]
2. The opening or slit left in a petticoat or skirt for convenience in putting it on; -- called also placket hole. [ 1913 Webster ]