Make ready. — Literally, bind — i.e., the horses to the chariot.
And his chariot was made ready. — Literally, And one bound his chariot.
Against Jehu. — Rather, to meet Jehu. Joram was curious to know why his messengers had not returned, as well as why the commander-in-chief had left the seat of war. Had he suspected treachery, he would hardly have left the shelter of the walls of Jezreel, and ventured forth without a guard.
In the portion of Naboth. — Naboth’s vineyard, which now formed part of the pleasure-grounds of the palace. (See 1 Kings 21:16.)