A sofa for two people; a love seat or tête-à-tête.(noun)
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Use "causeuse" in a sentence
""If she realizes it," whispered Madame de Monredon, who was sitting beside Madame d'Argy on a 'causeuse' shaped like an S, "why does she persist in dressing her like a child six years old?"
"She released one of his hands, and by the other led him to a causeuse near one of the splendidly curtained windows."
"Mrs. Bates leaned carelessly against the tortured framework of a tapestried _causeuse_."