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
Line (poetry) Line (poetry) A line is a unit of language into which a poem or play is divided, which operates on principles which are distinct from and not necessarily coincident with grammatical structures, such as the sentence or single clauses in sentences. Although the word for a single poetic line is "verse", that term now tends to be used to signify poetic form more generally. A distinct numbered group of lines in verse is normally called a "stanza". A title, in some poems, is considered a line. Conventions that determine what might constitute line in poetry depend upon different constraints, aural