(fructifying). A great river of western Asia, rising in Armenia and emptying into the Persian Gulf. Boundary of Eden (Gen. 2:14); “great river” (Gen. 15:18; Deut. 1:7); eastern boundary of the promised land (Deut. 11:24; Josh. 1:4; 1 Chron. 5:9); and of David’s conquests (2 Sam. 8:3; 1 Chron. 18:3. See also, Jer. 13:4-7; 46:2-10; 51:63; Psa. 137:1; Rev. 9:14; 16:12).