By a pillar; possibly by one of the two famous pillars of the temple; of which see 1 Kings 7:21; nigh unto which the throne was erected. If it be said, that none but priests might come thither; I answer, ordinarily they might not; but the king being a sacred person, especially upon such extraordinary occasions, might be there. Or, upon a scaffold; possibly that brazen scaffold which Solomon erected, 2 Chronicles 6:13, and left there for such purposes. See 2 Kings 23:3.
Related Commentaries of 2 Kings 11:14
2 Kings 11:14
14 And when she looked, behold, the king stood by a pillar, as the manner was, and the princes and the trumpeters by the king, and all the people of the land rejoiced, and blew with trumpets: and Athaliah rent her clothes, and cried, Treason, Treason.