Poem

Webster's Dictionary of the English Language

·noun A composition, not in verse, of which the language is highly imaginative or impassioned; as, a prose poem; the poems of Ossian.

II. Poem ·noun A metrical composition; a composition in verse written in certain measures, whether in blank verse or in rhyme, and characterized by imagination and poetic diction;

— contradistinguished from prose; as, the poems of Homer or of Milton.