'Morphophyly' definitions:

Definition of 'Morphophyly'

From: GCIDE

Morphophyly \Mor"pho*phy`ly\, n. [Gr. morfh` form + ? a clan.] (Biol.) The tribal history of forms; that part of phylogeny which treats of the tribal history of forms, in distinction from the tribal history of functions. --Haeckel. [1913 Webster]