Doab (
Urdu: ,
Hindi: दोआब, from
Persian: دوآب
dōāb, from
dō, "two" +
āb, "water" or "river") 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 Hindi-English 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)."