Perianth
Pronunciation : Per"i*anth
Part of Speech : n.
Etymology : [Pref. peri- + Gr. p?rianthe.] (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.
Source : Webster's Unabridged Dictionary, 1913