/ Dictionary / Index P prefectorial: Meaning and Definition of Find definitions for: pre•fec•to•ri•al Pronunciation: (prē"fek-tôr'ē-ul, -tōr'-), [key] — adj. of, pertaining to, or characteristic of a prefect: prefectorial powers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prefect apostolic prefecture Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language