Webster’s Revised Unabridged Dictionary · 1913
Morphology
Mor·phol′o·gy (·jy̆), n. [Gr. μορφή form + -logy: cf. F. morphologie.] (Biol.) That branch of biology which deals with the structure of animals and plants, treating of the forms of organs and describing their varieties, homologies, and metamorphoses. See Tectology, and Promorphology.