'Monophyllous' definitions:

Definition of 'Monophyllous'

From: GCIDE

Monophyllous \Mo*noph"yl*lous\, a. [Gr. mono`fyllos; mo`nos alone + fy`llon leaf: cf. F. monophylle.] (Bot.) One-leaved; composed of a single leaf; as, a monophyllous involucre or calyx. [1913 Webster]