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.
- The branch of biology that deals with the form and structure of organisms without consideration of function.
- The form and structure of an organism or one of its parts: the morphology of a cell; the morphology of vertebrates.
- Linguistics The study of the structure and form of words in language or a language, including inflection, derivation, and the formation of compounds.