| perianth | (n) collective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistils, Syn. perigone, floral envelope, perigonium, chlamys |
| Perianth | n. [ Pref. peri- + Gr. |
| Perianthium | ‖n. [ NL. ] (Bot.) The perianth. [ 1913 Webster ] |