n. Transformation from one grammatically correct form to another.
n. The substitution of one grammatical form for another that violates a grammatical rule.
n. An application of enallage.
the GNU version of the Collaborative International Dictionary of English
n. A substitution, as of one part of speech for another, of one gender, number, case, person, tense, mode, or voice, of the same word, for another.
The Century Dictionary and Cyclopedia
n. In grammar, a figure consisting in the substitution of one form, inflection, or part of speech for another.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a substitution of part of speech or gender or number or tense etc. (e.g., editorial `we' for `I')
Word Usage
"Mr. Payne complains of the obscurity of the original owing to abuse of the figure enallage; but I find them explicit enough, referring to some debauched elder after the type of Abu Nowas."