'Enallage' definitions:

Definition of 'enallage'

(from WordNet)
noun
A substitution of part of speech or gender or number or tense etc. (e.g., editorial `we' for `I')

Definition of 'Enallage'

From: GCIDE
  • Enallage \E*nal"la*ge\, n. [L., fr. Gr. ? an exchange, fr. ? to exchange; ? in + ? to change.] (Gram.) 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. [1913 Webster]