duchessePronunciation: /duːˈʃɛs, ˈdʌtʃɪs, -ɛs/Definition of duchesse noun 1 (also duchesse satin) [mass noun] a soft, heavy, glossy kind of satin, usually of silk: [as modifier]:a mauve duchesse evening dress 2a chaise longue resembling two armchairs linked by a stool. 3 (also duchesse dressing table) a dressing table with a pivoting mirror. Origin: late 18th century (in sense 2): from French, literally 'duchess'duchesse in other Oxford dictionaries Definition of duchesse in the US English dictionary