n. 1. A low neckline on a woman's garment, especially a dress. 2. A dress with a low neckline in front. 3. The area of a woman's body that is exposed when a garment with a low neckline is worn. [French, from décolleté, having a low neckline; see DéCOLLETé.] ![]() (click for a larger image) décolletagepastel portrait of an unidentified woman by Franz Xaver Winterhalter (1805-1873) |
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