cyma

cy·ma  (sm) n. Either of two moldings, cyma recta or cyma reversa, having an undulating or S-shaped profile, used especially in classical architecture. Also called cymatium. [New Latin cma, from Greek kma, wave, cyma, from kuein, to swell; see keu- in Indo-European roots.]

cyma top: cyma recta bottom: cyma reversa

Thesaurus

Noun

1.

cyma - (architecture) a molding for a cornice; in profile it is shaped like an S (partly concave and partly convex) cymatium cyma recta - a cyma in which the upper section is concave and the lower section is convex moulding, molding - a decorative strip used for ornamentation or finishing cyma reversa, ogee - a molding that (in section) has the shape of an S with the convex part above and the concave part below classical architecture, Greco-Roman architecture - architecture influenced by the ancient Greeks or Romans