Rubaʿi 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 poetry, the "ruba'i" is written as a four-line (or two-couplet) poem, with a rhyme-scheme AABA or AAAA. This is an example of a "ruba'i" from Rūmī's Dīwān-i Shams": The usual metre of a Persian "ruba'i", which is used for all four lines of the above quatrain by Rumi, is as follows: In the above scheme,
Accentual-syllabic verse Accentual-syllabic verse Accentual-syllabic verse is an extension of accentual verse which fixes both the number of stresses and syllables within a line or stanza. Accentual-syllabic verse is highly regular and therefore easily scannable. Usually, either one metrical foot, or a specific pattern of metrical feet, is used throughout the entire poem; thus we can talk about a poem being in, for example, iambic pentameter. Poets naturally vary the rhythm of their lines, using devices such as inversion, elision, masculine and feminine endings, the caesura, using secondary stress, the addition of extra-metrical syllables, or the omission of syllables, the substitution of