the sound of a drum when beaten.
[roo-bahy-yaht, -bee-] /ˈru baɪˌyɑt, -bi-/ noun 1. a free translation (first published in 1859) by Edward FitzGerald of a group of quatrains by the Persian poet Omar Khayyám.
noun, Prosody. 1. a quatrain patterned after those in The Rubáiyát of Omar Khayyám, of iambic pentameter and rhyming aaba.
[Arabic roo b ahl khah-lee; English roo b al kah-lee] /Arabic ˌrʊb ɑl ˈxɑ li; English ˌrʊb æl ˈkɑ li/ noun 1. a desert in S Arabia, N of Hadhramaut and extending from Yemen to Oman. About 250,000 sq. mi. (647,500 sq. km).
noun 1. a variety of bright-red rock crystal.