Cĭs'tus, n.

noun

n.; Eng. pl. CĭS'TUS-ES; Lat. pl. CĭS'TĪ. [N. Lat., from Gr. κίστος, the rock-rose.] (Bot.) The rock-rose, a genus of plants of many species, most of them natives of the southern parts of Europe. Some of them are beautiful evergreen, flowering shrubs, and ornamental in gardens. Loudon.