Dumah @ silence, (comp. Psalms:94:17), the fourth son of Ishmael; also the tribe descended from him; and hence also the region in Arabia which they inhabited Genesis:25:14; 1Chronicles:1:30). There was also a town of this name in Judah Joshua:15:52), which has been identified with ed-Domeh, about 10 miles southwest of Hebron. The place mentioned in the "burden" of the prophet Isaiah (21:11) is Edom or Idumea.