Dimon - same as Dibon (Isa 15:2). Its waters are the Arnon.
full of blood - The slain of Moab shall be so many.
bring more - fresh calamities, namely, the “lions” afterwards mentioned (2Ki 17:25; Jer 5:6; Jer 15:3). Vitringa understands Nebuchadnezzar as meant by “the lion”; but it is plural, “lions.” The “more,” or in Hebrew, “additions,” he explains of the addition made to the waters of Dimon by the streams of blood of the slain.