1 Corinthians 10:19-20

Then what do I say? that idolatry is anything? or that an idol is anything?

Revelation 2:14

But I have a few things against thee, because thou hast there those holding the teachings of Balaam, who taught Balak to cast a stumblingblock before the sons of Israel, and to eat things sacrificed to idols, and to commit fornication.

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 thee, because thou hast there those holding the teachings of Balaam, who taught Balak to cast a stumblingblock before the sons of Israel, and to eat things sacrificed to idols, and to commit fornication.

Of the dead

1 Corinthians 10:19
Then what do I say? that idolatry is anything? or that an idol is anything?