Rubʿ al Khali

[ Arabic roo b ahl khah-lee; English roo b al kah-lee ]
/ Arabic ˌrʊb ɑl ˈxɑ li; English ˌrʊb æl ˈkɑ li /

noun

a desert in S Arabia, N of Hadhramaut and extending from Yemen to Oman. About 250,000 sq. mi. (647,500 sq. km).
Also called Ar Rimal, Dahna, Empty Quarter, Great Sandy Desert.

British Dictionary definitions for rub` al khali

Rub` al Khali
/ (ˈrʊb æl ˈkɑːlɪ) /

noun

a desert in S Arabia, mainly in Saudi Arabia, extending southeast from Nejd to Hadramaut and northeast from Yemen to the United Arab Emirates. Area: about 777 000 sq km (300 000 sq miles) English names: Great Sandy Desert, Empty Quarter Also called: Ar Rimal