| 1. | an area in the NE Rub' al Khali desert, comprising a region of E central Saudi Arabia. |
| 2. | Rub' al Khali. |
b ahl khah-lee; Eng. roo
b al kah-lee]
| a desert in S Arabia, N of Hadhramaut and extending from Yemen to Oman. ab. 250,000 sq. mi. (647,500 sq. km). |