Placket
Pronunciation : Plack"et
Part of Speech : n.
Etymology : [F. plaquer to lay or clap on. See Placard.]
Definition : 1. A petticoat, esp. an under petticoat; hence, a cant term for a woman. [Obs.] Beau. & Fl.
2. The opening or slit left in a petticoat or skirt for convenience in putting it on; -- called also placket hole.
3. A woman's pocket.
Source : Webster's Unabridged Dictionary, 1913