Leviticus 18:21

MSTC⁽ⁱ⁾ ²¹ Thou shalt not give of thy seed to offer it unto Moloch, that thou defile not the name of thy God, for I am the LORD.

Online Parallel Study Bible

pass through.Molech signifies a king, or governor, of similar import with Ba\u65533 l, lord, or governor; and it is generally supposed that the sun was worshipped under this name; and more particularly as the fire appears to have been so much employed in his worship. It seems clear that children were not only consecrated to him by passing through the fire, which appears to be alluded to here, but that they were actually made a burnt offering to him. (See the parallel passages.) That the several abominations afterwards mentioned were actually practised by many heathen nations is abundantly attested by their own writers.
Leviticus 20:2; Deuteronomy 12:31; Deuteronomy 18:10; 2 Kings 16:3; 2 Kings 21:6; 2 Kings 23:10; Psalms 106:37; Psalms 106:38; Jeremiah 7:31
Jeremiah 19:5; Ezekiel 20:31; Ezekiel 23:37
to Molech.
1 Kings 11:7; 1 Kings 11:33; Amos 5:26; Acts 7:43
Moloch.
profane.
Leviticus 19:12; Leviticus 20:2-5; Leviticus 21:6; Leviticus 22:2; Leviticus 22:32; Ezekiel 36:20-23; Malachi 1:12; Romans 1:23; Romans 2:24