1 Corinthians 10:19-20

What, then, do I say? That an idol is any thing? or, that what is sacrificed to an idol is any thing?

Revelation 2:14

Yet I have a few things against you, that you have there those who hold the teaching of Balaam, who taught Balak to put a stumbling-block before the sons of Israel, to eat things sacrificed to idols, and to practice lewdness.

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
Yet I have a few things against you, that you have there those who hold the teaching of Balaam, who taught Balak to put a stumbling-block before the sons of Israel, to eat things sacrificed to idols, and to practice lewdness.

Of the dead

1 Corinthians 10:19
What, then, do I say? That an idol is any thing? or, that what is sacrificed to an idol is any thing?