Source : Webster's Revised Unabridged Dictionary (1913)

Homomorphy \Ho"mo*mor`phy\, n. [Homo- + Gr. ? form.] (Biol.)
   Similarity of form; resemblance in external characters, while
   widely different in fundamental structure; resemblance in
   geometric ground form. See {Homophyly}, {Promorphology}.

Source : WordNet®

homomorphy
     n : similarity of form [syn: {homomorphism}]