A kind of table or raised place whereon the ancient sacrifices were offered. 2. The table, in Christian churches, where the Lord's supper is administered. Altars are, doubtless, of great antiquity; some suppose they were as early as Adam; but there is no mention made of them till after the flood, when Noah built one, and offered burnt offerings on it. The Jews had two altars in and about their temple; 1. The altar of burnt offerings; 2. The altar of incense; some also call the table for shew bread an altar, but improperly, Exodus 20:24-25 . 1 Kings 18:30 . Exodus 25:27; Exodus 25:30 : Hebrews 9:1-28 :