/ Dictionary / Index O oyer and terminer: Meaning and Definition of Find definitions for: o'yer and ter'mi•ner Pronunciation: (tûr'mu-nur), [key] — Law. Law. (in some U.S. states) any of various higher criminal courts. a commission or writ directing the holding of a court to try offenses. the court itself. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oyer oyez Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language