décolletage
/dɪˈkɒlətɑːʒ/
noun
  1. A low neckline on a woman's dress, especially one that reveals or emphasizes her cleavage.
  2. The portion of a woman's body that is revealed by a low neckline; the upper chest, as well, sometimes, as the neck, and shoulders.
  1. dekolt
  2. výstřih