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
Burns stanza lyrical, subsequent uses have tended to be comic and satirical, as this passage from Burns shows: A variation on the Burns stanza employs the rhyme scheme AABCCCB, with foreshortened third and seventh lines. This form is deployed, for example, in W. H. Auden's poem "Brother, who when the sirens roar" (also known as "A Communist to Others"): Brothers, who when the sirens roar From office, shop and factory pour By cops directed to the fug Of talkie-houses for a drug, Or down canals to find a hug Auden uses similar verse forms in other poems in the collection "Look, Stranger!"