O ‧ mar Khay ‧ yam /ˌəʊmɑː kaɪˈæm $ -ɑːr kaɪˈjɑːm/ BrE AmE
(?1048-?1123) a Persian ↑ mathematician and poet. He is known in the west for his romantic poem, the Rubaiyat , produced in a popular English translation by Edward Fitzgerald in 1859, which is mainly about love, nature, and pleasure.