The altar: this upper part is now called the altar, though sometimes this name is given to the whole, as Ezekiel 43:13. Four cubits in height, for it was of much greater wideness, as in the next verse. From the altar; from the top of the altar, at each corner shall be a horn, four in all.
Related Commentaries of Ezekiel 43:15
Ezekiel 43:15
15 So the altar shall be four cubits; and from the altar and upward shall be four horns.