Commentaries:
Barnes' Notes
The altar - The altar of burnt-offerings, in the court of the priests. See the notes at Matthew 21:12. It was made of brass, about 30 feet in length and breadth, and 15 feet in height, II Chronicles 4:1. On this altar were offered all the beasts and bloody oblations of the temple.
The gift that is upon it - The gift or offering made to God, so called because it was devoted or "given" to him. The gift upon this altar was always beasts and birds.
Other Barnes' Notes entries containing Matthew 23:18:
Matthew 23:39
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