'Omen' in the Bible

They passed their sons and daughters through the fire, and practiced divination and omen reading. They committed themselves to doing evil in the sight of the Lord and made him angry.

He passed his son through the fire and practiced divination and omen reading. He set up a ritual pit to conjure up underworld spirits, and appointed magicians to supervise it. He did a great amount of evil in the sight of the Lord, provoking him to anger.