Chiffon \Chif`fon"\, n. [F., lit., rag. See {Chiffonier}.] 1. Any merely ornamental adjunct of a woman's dress, as a bunch of ribbon, lace, etc. [Webster 1913 Suppl.] 2. A kind of soft gauzy material used for ruches, trimmings, etc. [Webster 1913 Suppl.]