décolletage
Concise Oxford English Dictionary © 2008 Oxford University Press:
décolletage /ˌdeɪkɒlɪˈtɑːʒ, deɪˈkɒltɑːʒ/
▶noun a low neckline on a woman's dress or top.
■ a woman's cleavage as revealed by such a neckline.
– origin C19: Fr., from décolleter ‘expose the neck’.
'décolletage' also found in these Oxford entries:
