Décolleté is a French word that describes the low neckline of a woman's dress or top—and in the beauty world, it means the area of your chest and neck that a low-cut top would expose.

What is the difference between decollete and decolletage?

The upper border or part of a low-cut (i.e., décolleté) dress. ... (of a woman's dress or top) having a low neckline. Decolletagenoun. a woman's cleavage as revealed by a low neckline on a dress or top.

What is the area between your neck and breasts called?

In the human body, the region of the thorax between the neck and diaphragm in the front of the body is called the chest.