/ Dictionary / Index P prerogative court: Meaning and Definition of Find definitions for: prerog'ative court" Pronunciation: [key] a former ecclesiastical court in England and Ireland for the trial of certain testamentary cases. (formerly) the court of probate in New Jersey. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prerogative Pres Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language