'Doab' definitions:

Definition of 'Doab'

From: GCIDE
  • Doab \Do"ab\, [Pers. & Hind. do[=a]b, prop., two waters.] A tongue or tract of land included between two rivers; as, the doab between the Ganges and the Jumna. [India] --Am. Cyc. [1913 Webster]