Limited to Mt. 5:23-24; 23:18-20; 23:35; Lk. 1:11; 11:51; Rom. 11:3; 1 Cor. 9:13; 10:18; Heb. 7:13; 13:10; Jas. 2:21; Rev. 6:9; 8:3, 5; 9:13; 11:1; 14:18; 16:7, the Greek noun “thusiasterion” meant “altar.”  The Old Testament system of Judaism used literal altars; the altar for the Christian system is Christ (Heb. 13:10).