poème arabo-persan à forme fixe
Rubāʿī (from Persian: رباعی rubāʿiyy, plural Persian: رباعيات 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:
Read more or edit on Wikipedia