'Poetic license' definitions:

Definition of 'poetic license'

From: WordNet
noun
License used by a writer or artist to heighten the effect of their work

Definition of 'Poetic license'

From: GCIDE
  • Poetic \Po*et"ic\, Poetical \Po*et"ic*al\, a. [L. po["e]ticus, Gr. ?: cf. F. po['e]tiquee.]
  • 1. Of or pertaining to poetry; suitable for poetry, or for writing poetry; as, poetic talent, theme, work, sentiments. --Shak. [1913 Webster]
  • 2. Expressed in metrical form; exhibiting the imaginative or the rhythmical quality of poetry; as, a poetical composition; poetical prose. [1913 Webster]
  • Poetic license. See License, n., 4. [1913 Webster]