The crossword solutions for the term 'Peignoir Cousin' are 'ROBE', which is a four-letter word. A peignoir is a type of dressing gown or ROBE, usually made of sheer or semi-sheer fabric, and is typically worn by women. The peignoir cousin is a variation of the peignoir, and is usually made of heavier fabric, such as velvet or satin. It is often worn over nightwear or lingerie, and is sometimes referred to as a housecoat.