| RUBAIYAT | Collection of quatrains by Omar Khayyam (8) |
| OMARKHAYYAM | Persian poet, mathematician, and astronomer, noted for the Rubaiyat, a collection of quatrains, popularised in the West by Edward FitzGerald |
| BEHAPPYFOR | Start of a quote by Omar Khayyam |
| OMAR | Oft-quoted creator of quatrains |
| POETS | Writers of quatrains |
| NISHAPUR | City in northeast Iran; birthplace of poet Omar Khayyam (8) |
| EUCALYPT | An anthology of Persian quatrains of a type made famous in English by Edward FitzGerald (8) |
| RUBAIYATOF | 1859 translation of 12th-century Persian quatrains by Edward Fitzgerald (8,2,4,7) |
| RUBAIYATOFOMARKHAYYAM | 1859 translation of 12th-century Persian quatrains by Edward Fitzgerald |
| UNIVERSE | 13's one quatrain, perhaps, means everything (8) |
| THEMOVINGFINGERWRITES | First words in verse 51 of Edward Fitzgerald's translation of the Rubaiyat of Omar Khayyam |
| ALOAF | "A Jug of Wine, ___ of Bread...": Omar Khayyam |
| NEMO | Captain once played by Omar Sharif |
| ZHIVAGO | Pasternak hero played by Omar Sharif (7) |
| ICEE | Treat invented in 1958 by Omar Knedlik |
| LUPIN | Gentleman thief played by Omar Sy |
| BDS | Anti-Israel org. founded by Omar Barghouti (3) |
| CHE | Revolutionary played by Omar Sharif, familiarly |
| FITZGERALD | Poet best known for his translation of Rubaiyat of Omar Khayyam (10) |
| SAKI | Pen name of British author Hector Hugh Munro (1870-1916), from a cupbearer in the Rubeiyat of Omar Khayyam (4) |
