The Collaborative International Dictionary of English v.0.48:

Chemise \Che*mise"\, n. [F., shirt, fr. LL. camisa, camisia,
   shirt, thin dress; cf. G. hemd, or OIr. caimmse sort of
   garment. Cf. Camis.]
   1. A shift, or undergarment, worn by women.
      [1913 Webster]

   2. A wall that lines the face of a bank or earthwork.
      [1913 Webster]

WordNet (r) 3.0 (2006):

chemise
    n 1: a woman's sleeveless undergarment [syn: chemise,
         shimmy, shift, slip, teddy]
    2: a loose-fitting dress hanging straight from the shoulders
       without a waist [syn: chemise, sack, shift]