Akademik

n.

A prose poem; a work written in prose but incorporating poetic imagery and rhythms. [Prose + poem.]

—proet n.

He read a variety of forms of poetry, including librettos, verse meant to be set to music; sestinas, poems structured with six stanzas of six lines and a final triplet; sonnets; villanelles, nineteen-line poems with two rhymes throughout; and, surprisingly, prose poems — what Fort called "proems."

—Dan Kipp, " American Poet Charles Fort Invited to Kenyon for Guest Reading: http://www.kenyoncollegian.com/arts/american-poet-charles-fort-invited-to-kenyon-for-guest-reading-1.1956021\#.UP_xkYnjlg0," The Kenyon Collegian, February 3, 2011

At a reading last night, one writer called her prose-poems "proems."

—Aaron Jentzen, " At a reading...: https://twitter.com/AaronJentzen/status/292336866487840768," Twitter, January 18, 2013

This in turn leads on...to the idea of the pebble which Brathwaite skimmed over the surface of the sea as a boy on Brown's Beach and which ultimately became an important trope in his poetry...The idea is pursued in a proem (i.e., a prose poem, a genre Brathwaite employs a good deal in his most recent work) which explores the idea that sand is the pebble ground down to its nam or spiritual essence.

—Elaine Savory, " Wordsongs & Wordwounds: http://www.thefreelibrary.com/Wordsongs+%26+Wordwounds%2FHomecoming%3A+Kamau+Brathwaite's+Barabajan+Poems.-a016465679," World Literature Today, September 22, 1994

There's a much older sense of the word proem that refers to a preface, preamble, or similar work that serves to introduce a piece of writing. That sense has been in the language for about 600 years since its first appearance in The Canterbury Tales: http://books.google.ca/books?id=e9E3AAAAYAAJ&pg=PA186&lpg=PA186&dq=proheme (spelled proheme).