And you shall make an altar of acacia wood, five cubits long, and five cubits broad; the altar shall be foursquare: and the height of it shall be three cubits.
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Bede
AD 735
There were two altars in the temple, which expressed the two covenants in the church. The first, the altar of burnt offerings, which was plated with bronze and was situated in front of the doors of the temple, was for the offering up of victims and sacrifices. It signified the fleshly minded worshipers of the Old Covenant. And then there was the altar of incense, which was covered with gold and set near the entrance of the Holy of Holies and was to burn fragrant gums on. This prefigured the interior and more perfect grace of the New Covenant and its worshipers.
Altar, of holocausts, in the open air, before the tabernacle. (Tirinus)
Four square, or five cubits in length and breadth, and three in height, which the Rabbins measure from the grate, (ver. 5,) or middle of the altar's height. So high the altar was sunk in the earth, (Calmet) or was built of unhewn stone, on which the wood of the altar rested, being secured by plates of brass above, from the heat of the fire. It was hollow within, and had neither top nor bottom fixed to it. (Menochius)
