Exodus 38:1-2

Wycliffe Bible

38 He made also the altar of burnt sacrifice of the wood of shittim, of five cubits by square, and of three cubits in height; (And he made the altar of burnt sacrifice out of shittim wood, or acacia wood, five cubits square, and three cubits in height;)

² whose horns came forth [out] of the corners, and he covered it with plates of brass.