A sequence of phonemes, often a word fragment, which constitutes the minimum unit of meaning or syntax within a given word. A morph may be one of several variants of a morpheme, depending for its individal form on the context in which it occurs. Thus the morphs -s and -es are variants of the morpheme by which the plural form of an English noun is expressed.
A feature, such as color, beak length, or body size, that is shared by some members of a species and is different from other members of the same species. The feature is inherited. The color morphs of pigeons are an example.
Differing in form, often used to describe different colorations.