Definitions for diadelphousˌdaɪ əˈdɛl fəs
Random House Webster's College Dictionary
di•a•del•phousˌdaɪ əˈdɛl fəs(adj.)
(of stamens) united into two sets by their filaments.
Origin of diadelphous:
Having its stamens fused together at least partly by the filaments so that they form two separate bundles, or a bundle and a lone separate stamen.
of or pertaining to the class Diadelphia; having the stamens united into two bodies by their filaments (said of a plant or flower); grouped into two bundles or sets by coalescence of the filaments (said of stamens)