Rubʽ al-Khali

geographical name

Rubʽ al-Kha·li | \ ˌru̇b-al-ˈkä-lē

, Arabic -äl-ˈḵä-\

variants: or Empty Quarter

Definition of Rubʽ al-Khali

desert region of southern Arabia extending from Nejd south to Hadramawt area about 250,000 square miles (647,500 square kilometers)