prose poem

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A prose work that has poetic characteristics such as vivid imagery and concentrated expression.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun literature A literary text written in the manner of prose—without the fixed lines, rhyme, and meter often characteristic of poetry—but nonetheless clearly possessing some of the distinctive attributes of poetry, such as lyrical language, evocation of feeling, vivid imagery, metaphor, and linguistic devices like assonance or alliteration.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun prose that resembles poetry