- (of a garment) low-necked.
- wearing a low-necked garment.
- (of a woman’s garment) low-cut
- wearing a low-cut garment
- a low-cut neckline
1831, from French décolleté, past participle of décolleter “to bare the neck and shoulders,” from de- (see de-) + collet “collar of a dress,” diminutive of col (Latin collum) “neck” (see collar (n.)). Not to be confused with decollate, which means “to behead.”