a. [f. CYMA + -OID.] Resembling a cyma.
1815. T. Forster, Atmospheric Phaenom. (ed. 2), 145. Before storms too a feature of cirrostratus appears, of a cymoid figure, like some architectural ornaments. Ibid., 193. The curious cymoid feature, which so often precedes storms, is not merely alternate bars, but the bars are curiously curved.
1846. in Worcester, and in later Dicts.
