Definition of morphology
1a : 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 amphibian morphology external and internal eye morphology
2a : a study and description of word formation (such as inflection, derivation, and compounding) in language
b : the system of word-forming elements and processes in a language According to English morphology, the third person singular present tense of a verb is formed by adding -s.
3a : a study of structure or form
4 : the external structure of rocks in relation to the development of erosional forms or topographic features
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