neckline

US /ˈnek.laɪn/
UK /ˈnek.laɪn/
"neckline" picture
1.

the edge of a garment at or near the neck, especially on a dress or blouse

:
•
The dress had a beautiful V-neckline.
•
She adjusted the modest neckline of her blouse.
:
collarlapelgorge