man·tu·a 
(mănch-ə, -t-ə)
(mănch-ə, -t-ə)n.
A woman's garment of the 1600s and 1700s consisting of a bodice and full skirt cut from a single length of fabric, with the skirt designed to part in front to reveal a contrasting underskirt.
[Alteration (influenced by Mantua) of MANTEAU.]