Question: what is the biblical meaning of the word urim?
Answer: In the Hebrew Bible, the Urim and the Thummim (Hebrew: הָאוּרִים וְהַתֻּמִּים, Standard ha-Urim veha-Tummim Tiberian hāʾÛrîm wəhatTummîm; meaning uncertain, possibly "Lights and Perfections") are elements of the hoshen, the breastplate worn by the High Priest attached to the ephod.