Bible Dictionary
Thummim
The Thummim, used with the Urim by Israel’s high priest, was a divinely appointed means of receiving God’s direction and judgment. Its precise form and method of use are unknown, and it was apparently no longer present after the exile.
Biblical Usage
The Urim and Thummim were consulted when Israel required divine decision or guidance. Their precise method of operation is unknown, and they were apparently no longer seen after the return from captivity.
Scripture References