Rubʿ al Khali

[Arabic roo b ahl khah-lee; English roo b al kah-lee]
Also called Ar Rimal, Dahna, Empty Quarter, Great Sandy Desert.
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British Dictionary definitions for rub` al khali

Rub` al Khali

noun
  1. 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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012