Ivory house — Not that it was made of solid ivory, but because the other materials were covered, or inlaid with ivory.
Related Commentaries of 1 Kings 22:39
1 Kings 22:39
39 Now the rest of the acts of Ahab, and all that he did, and the ivory house which he made, and all the cities that he built, are they not written in the book of the chronicles of the kings of Israel?