Search Result for "great rift valley":
Wordnet 3.0

NOUN (1)

1. ( geology) a depression in southwestern Asia and eastern Africa; extends from the valley of the Jordan River to Mozambique; marked by geological faults; 



WordNet (r) 3.0 (2006):

Great Rift Valley
    n 1: ( geology) a depression in southwestern Asia and eastern
         Africa; extends from the valley of the Jordan River to
         Mozambique; marked by geological faults