Fichu (Fe'-Shu). [French for ladies' neckerchief.\ A triangular piece of lace worn around the neck instead of a collar, of various lengths; sometimes it is a combination of cape and scarf, pointed between the shoulders and crossing at the bosom, the long ends of which are allowed to hang loose. It was a favorite article of attire with Marie Antoniette, who brought it first into popularity in 1785.