Ezekiel 43:15
So the altar shall be four cubits; and from the altar and upward shall be four horns.
Cross-reference
Ezekiel 43:14
Historical context
In Ezekiel 43:14, the altar base is described — the lower part that supports the hearth in verse 15.
Ezekiel 43:20
Historical context
In Ezekiel 43:20, blood is applied to the horns — the ritual use of the horns mentioned in verse 15.
Exodus 27:2
Parallel
Exodus 27:2 describes horns on the bronze altar, paralleling the four horns on the altar hearth in Ezekiel's vision.
Leviticus 9:9
Related theme
Leviticus 9:9 shows horns of the altar used for blood — the ritual function of the horns Ezekiel describes.
Psalm 118:27
Parallel
Psalm 118:27 mentions binding sacrifices to the altar's horns — a ritual use of the horns.