perianth Meaning, Definition & Usage

  1. noun collective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistils
    perigonium; chlamys; floral envelope; perigone.

WordNet

Per"i*anth noun
Etymology
Pref. peri- + Gr. flower: cf. F. périanthe.
Definitions
  1. (Bot.) (a) The leaves of a flower generally, especially when the calyx and corolla are not readily distinguished. (b) A saclike involucre which incloses the young fruit in most hepatic mosses. See Illust. of Hepatica.

Webster 1913