[1] : WordNet (r) 2.0

sahara
     n : the world's largest desert 3,500,000 square miles in
         northern africa syn: sahara desert
see also:
sahara desert 

[2] : Moby Thesaurus II by Grady Ward, 1.0

23 moby thesaurus words for "sahara":
   arabia deserta, death valley, barren, barren land, barrens, brush,
   bush, desert, desolation, dust bowl, heath, howling wilderness,
   karroo, lunar landscape, lunar waste, outback, salt flat, waste,
   wasteland, weary waste, wild, wilderness, wilds

Sahara >> S Words
Sahara, definition of term: Sahara
sahara_pag1.html

Sahara Desert >> S Words
Sahara Desert, definition of term: Sahara Desert
sahara+desert_pag1.html