(also the Sahara)
- a vast desert in North Africa, extending from the Atlantic in the west to the Red Sea in the east, and from the Mediterranean and the Atlas Mountains in the north to the Sahel in the south. The largest desert in the world, it covers an area of about 9,065,000 sq. km (3,500,000 sq. miles). In recent years it has been extending southwards into the Sahel.
Sahara from Arabic ṣaḥrā‘ 'desert'