cyme (sīm) n. A usually flat-topped or convex flower cluster in which the main axis and each branch end in a flower that opens before the flowers below or to the side of it.
[Latin cȳma, young cabbage sprout, from Greek kūma, anything swollen, sprout; see cyma.] cy·mif'er·ous (sī-mĭf'ər-əs) adj.