Cy'mā, n.

n. [Gr. κύμα, a wave.] 1. (Arch.) A member or molding of the cornice, the profile of which is wave-like in form. Cyma recta, one hollow in its upper part and swelling below, as a in the cut. — Cyma reversa, one swelling on the upper part and hollow 2. (Bot.) A cyme. See CYME.