Morphophyly
Pronunciation : Mor"pho*phy`ly
Part of Speech : n.
Etymology : [Gr. (Biol.)
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder