neglige

WORDNET DICTIONARY

neglige(n = noun.artifact) housecoat, negligee, peignoir, wrapper - a loose dressing gown for women;

has particulars: brunch coat, camisole

is a kind of woman's clothing

neglige, n. [F. négligé, fr. négliger to neglect, L. negligere. See Neglect.].

An easy, unceremonious attire; undress. [1913 Webster]
A kind of loose, flowing dressing gown worn by women, usually made of sheer fabric. [1913 Webster]