Breadcrumb Home > Dictionary > Index I institutor: Meaning and Definition of Find definitions for: in•sti•tu•tor Pronunciation: (in'sti-t"tur, -ty"-), [key] — n. a person who institutes or founds. a person who institutes a minister into a parish or church. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. institutive instr. ✖ Related Content Daily Word Quiz: temporize Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language