The word is décolletage and is a type of neckline. A neckline is the area at the neck of a blouse or shirt on a piece of clothing for a woman or a man, however décolletage is referring to a woman's neckline and it is normally low cut and revealing her décolletage which is a french word that is used in English also to refer to a woman's cleavage, which is the space between her *******.
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