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sempervivum Definition

sem·per·vi·vum (sem′pər vīvəm)

noun

any of a genus (Sempervivum) of plants of the orpine family, with yellow, pink, or red flowers and compact rosettes of thick, fleshy leaves

Etymology: ModL < L, neut. of sempervivus, ever living < semper, ever, always + vivus, living: see bio-