Ezekiel 43:15

So the altar, of four cubits; and above the altar, four horns.

Exodus 27:2

And thou shalt make the horns of it upon its four corners; its horns shall be of the same, and thou shalt cover it with brass.

Leviticus 9:9

And the sons of Aaron brought the blood unto him, and he dipped his finger in the blood and put it upon the horns of the altar and poured out the remaining blood at the bottom of the altar;

Psalm 118:27

God is the LORD, who has shined on us; bind the sacrifice with cords, even unto the horns of the altar.

1 Kings 2:28

And the news came to Joab, for Joab had turned after Adonijah, though he had not turned after Absalom. And Joab fled unto the tabernacle of the LORD and caught hold on the horns of the altar.

Isaiah 29:1-2

Woe to Ariel, to Ariel, the city where David dwelt! add ye one year to another; the lambs shall cease.

Isaiah 29:7

And the multitude of all the Gentiles that shall fight against Ariel, even all that shall fight against her and their siege weapons, and those that shall distress her, shall be as a dream of a night vision.

Treasury of Scripture Knowledge

Summary

So the altar shall be four cubits; and from the altar and upward shall be four horns.

The altar

Bible References

The altar

Isaiah 29:1
Woe to Ariel, to Ariel, the city where David dwelt! add ye one year to another; the lambs shall cease.

Four horns

Exodus 27:2
And thou shalt make the horns of it upon its four corners; its horns shall be of the same, and thou shalt cover it with brass.
Leviticus 9:9
And the sons of Aaron brought the blood unto him, and he dipped his finger in the blood and put it upon the horns of the altar and poured out the remaining blood at the bottom of the altar;
1 Kings 2:28
And the news came to Joab, for Joab had turned after Adonijah, though he had not turned after Absalom. And Joab fled unto the tabernacle of the LORD and caught hold on the horns of the altar.
Psalm 118:27
God is the LORD, who has shined on us; bind the sacrifice with cords, even unto the horns of the altar.