/ Dictionary / Index U Urim and Thummim: Meaning and Definition of Find definitions for: U•rim and Thum•mim Pronunciation: (yoor'im, oor'- thum'im, toom'-), [key] — Judaism. Judaism. objects, possibly made of metal or precious stones and inscribed with symbols, worn in the breastplate of the high priest and used, perhaps like lots, to determine God's response to a question answerable by “yes” or “no.” Ex. 28:30. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Uriel urinal Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language