Rubaʿi the convention is sometimes extended so that the unrhymed line of the current stanza becomes the rhyme for the following stanza. The structure can be made cyclical by linking the unrhymed line of the final stanza back to the first stanza: ZZAZ. These more stringent systems were not, however, used by FitzGerald in his "Rubaiyat". Rubaʿi Rubāʿī (from "rubāʿiyy", plural "rubāʿiyāt") is the term for a quatrain, a poem or a verse of a poem consisting of four lines. It refers specifically to a form of Persian poetry, or its derivative form in English and other languages In classical Persian
Verse (poetry) is too pedestrian or too incompetent to be classed as poetry. Blank verse is poetry written in regular, metrical, but unrhymed, lines, almost always composed of iambic pentameters. <poem> </poem> Free verse is usually defined as having no fixed meter and no end rhyme. Although free verse may include end rhyme, it commonly does not. <poem> </poem> Verse (poetry) In the countable sense, a verse is formally a single metrical line in a poetic composition. However, verse has come to represent any division or grouping of words in a poetic composition, with groupings traditionally having been referred to as stanzas.