low-cut
01
(of women's clothing) designed with a neckline that dips low at the front
例
The evening gown had a low-cut neckline.
02
(of a garment) designed with a back that dips low
例
Designers showcased a collection of low-cut backs.
(of women's clothing) designed with a neckline that dips low at the front
(of a garment) designed with a back that dips low