Linguistics. a sequence of phonemes constituting a minimal unit of grammar or syntax, and, as such, a representation, member, or contextual variant of a morpheme in a specific environment. Compare allomorph(def. 2).
2.
Biology. an individual of one particular form, as a worker ant, in a species that occurs in two or more forms.
–verb (used with object)
3.
to transform (an image) by computer.
–verb (used without object)
4.
to be transformed: morphing from a tough negotiator to Mr. Friendly.
Origin: 1945–50; back formation from morpheme, or independent use of -morph
[mawrf] 
