Hadadezer, called Hadarezer, 1Ch_18:3, the Hebrew letters daleth and reseh being alike, and so oft interchanged.
Zobah; a part of Syria, lying north-east from Canaan, towards Hamath, 1Ch_18:3. See 1Sa_14:47.
As he went.
Quest. Who?
Answ. Either, first, Hadarezer; who, being already very potent, and going to enlarge his dominion further, David thought fit to oppose him. Or, secondly, David, who remembering the grant which God had made to his people of all the land as far as Euphrates, and having subdued his neighbouring enemies, went to recover his rights, and stablish his dominion as far as Euphrates.