thumb|Calligraphic rendition of a ''ruba'i'' attributed to Omar Khayyam from Bodleian MS. Ouseley 140 (one of the sources of FitzGerald's [[Rubaiyat of Omar Khayyam).]]
thumb|Calligraphic rendition of a ''ruba'i'' attributed to Omar Khayyam from Bodleian MS. Ouseley 140 (one of the sources of FitzGerald's [[Rubaiyat of Omar Khayyam).]]
A rubāʿī (, from Arabic ; plural: ) or chahārgāna(e) () is a poem or a verse of a poem in Persian poetry (or its derivative in English and other languages) in the form of a quatrain, consisting of four lines (four hemistichs).
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).