(3) a land between two rivers Explanation: Doab is a term used in India and Pakistan for the "tongue," or tract of land lying between two converging, or confluent, rivers. It is similar to an interfluve. In the Oxford HindiEnglish Dictionary, R. S. McGregor defines it as "a region lying between and reaching to the confluence of two rivers (esp. that between the Ganges and Jumna). Physical Geography (Set: 04)