| Lappet 1. (n.) A small decorative fold or flap, esp., of lace or muslin, in a garment or headdress. 2. (v. t.) To decorate with, or as with, a lappet. Thesaurus Entries crease, creasing, crimp, dog-ear, double, doubling, drape, duplicature, ear lobe, flection, flexure, flounce, fold, frill, gather, hanger, hanging, lapel, lobation, lobe, lobule, pendant, plica, plication, plicature, ply, ruche, ruching, ruffle, tuck, uvula |