Exodus 27:2
Make a horn on each of its four corners, so that the horns are of one piece, and overlay it with bronze.

Exodus 30:10
Once a year Aaron shall make atonement on the horns of the altar. Throughout your generations he shall make atonement on it annually with the blood of the sin offering of atonement. The altar is most holy to the LORD."

1 Kings 1:49
At this, all the guests of Adonijah arose in terror and scattered.

1 Kings 1:51
It was reported to Solomon: "Behold, Adonijah fears King Solomon, and he has taken hold of the horns of the altar, saying, 'Let King Solomon first swear to me not to put his servant to the sword.'"

1 Kings 2:28
When the news reached Joab, who had conspired with Adonijah but not with Absalom, he fled to the tent of the LORD and took hold of the horns of the altar.

Ezekiel 43:15
The altar hearth shall be four cubits high, and four horns shall project upward from the hearth.