décolletage
/ˌdeɪkɒlɪˈtɑːʒ
/ /deɪˈkɒltɑːʒ/noun
1A low neckline on a woman’s dress or top.Off are the felted wool cloaks and headscarves, and on are gossamer skirts, tulle petticoats, lace bordering, sweeping décolletages, silk bows, and the rest of fripperiedom....
- Prudie thinks you should skip the décolletage and behave as though he were a favorite, fun cousin.
- She arrived looking stunning in flared black linen trousers, kitten heels and a risqué décolletage.
1.1A woman’s cleavage as revealed by a low neckline on a dress or top.
Origin
Late 19th century: French, from décolleter 'expose the neck', from dé- (expressing removal) + collet 'collar of a dress'.