1. rift valley - Noun
2. Rift valley - Proper noun
a valley with steep sides; formed by a rift in the earth's crust
Source: WordNetAn ongoing outbreak of Rift Valley fever virus (RVFV) infection is affecting sheep, goats, cattle and wildlife on farms within Free State, Eastern Cape, Northern Cape, Western Cape, Mpumalanga, North West, and Gauteng provinces. Source: Internet
Archaeologists working in the Great Rift Valley in Kenya claim to have discovered the oldest known stone tools in the world. Source: Internet
A report from the Rift Valley Institute uncovered violations of Sudan's electoral law, where constituencies were created that were well below and above the required limit. Source: Internet
Archaeological attention, however, shifts to the Jordan Rift Valley, an extension of the East African Rift Valley (the east bank of the Jordan is slowly sliding northward as East Africa is thrust away from Africa). Source: Internet
A family of four stops along a path of a famous hot spring resort in the Rift Valley and looks at a huge statue of what appears to be a black African rhino. Source: Internet
Lake Malawi In the mountainous sections of Malawi surrounding the Rift Valley, plateaus rise generally convert above sea level, although some rise as high as convert in the north. Source: Internet