Definition of petticoat
1
: a skirt worn by women, girls, or young children: such as
a
: an outer skirt formerly worn by women and small children
b
: a fancy skirt made to show below a draped-up overskirt
c
: an underskirt usually a little shorter than outer clothing and often made with a ruffled, pleated, or lace edge
d
archaic
: the skirt of a woman's riding habit
2 a
: a garment characteristic or typical of women
b
: woman
3
: something (such as a valance) resembling a petticoat
