A soft, curved, S-shaped line with convex and concave sections, used variously as a design statement–in furniture design and upholstery. pelmets, bedheads sofa backs or fronts might be in a serpentine with a concave shoulder at each end that dips and rises to a shallow curve peaking at the centre–the centre may also dip into a V-shape, or be ornamented–as in Rococo, Louis XV and XVI pieces.
