[mor.phol.o.gy] n [G Morphologie, fr. morph- + -logie -logy] (1830) 1 a: a branch of biology that deals with the form and structure of animals and plants b: the form and structure of an organism or any of its parts
2. a: a study and description of word formation (as inflection, derivation, and compounding) in language b: the system of word-forming elements and processes in a language 3 a: a study of structure or form b: structure, form
4: the external structure of rocks in relation to the development of erosional forms or topographic features -- mor.pho.log.i.cal also mor.pho.log.ic adj -- mor.pho.log.i.cal.ly adv -- mor.phol.o.gist n