Question

Define doab ?
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Answer 1

Answer:

Doab is a term used in South Asia for the tract of land lying between two confluent rivers. It is similar to an interfluve. In the Oxford Hindi-English Dictionary, R. S. McGregor defines it as from Persian do-āb "a region lying between and reaching to the confluence of two rivers." 

Answer 2

The area of land between two rivers that meet is called a doab.

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