1 Corinthians 10:19-20

What do I mean then? That a thing offered to idols is anything, or that an idol is anything?

Revelation 2:14

But I have a few things against you: you have some there who hold the teaching of Balaam, who taught Balak to put a stumbling block before the sons of Israel, to eat food sacrificed to idols and to practice sexual immorality.

Treasury of Scripture Knowledge

Summary

They joined themselves also unto Baalpeor, and ate the sacrifices of the dead.

Of the dead

Bible References

Joined

Revelation 2:14
But I have a few things against you: you have some there who hold the teaching of Balaam, who taught Balak to put a stumbling block before the sons of Israel, to eat food sacrificed to idols and to practice sexual immorality.

Of the dead

1 Corinthians 10:19
What do I mean then? That a thing offered to idols is anything, or that an idol is anything?