Webster’s Revised Unabridged Dictionary · 1913
Cyme
Cyme (s?m), n. [L. cyma the young sprount of a cabbage, fr. Gr. κῦμα, prop., anything swollen, hence also cyme, wave, fr. κύειν to be pregnant.] (Bot.) A flattish or convex flower cluster, of the centrifugal or determinate type, differing from a corymb chiefly in the order of the opening of the blossoms.