'Polycotyledonary' definitions:

Definition of 'Polycotyledonary'

From: GCIDE

Polycotyledonary \Pol`y*cot`y*led"on*a*ry\, a. [Poly- + cotyledonary.] (Anat.) Having the villi of the placenta collected into definite patches, or cotyledons. [1913 Webster]