/ Dictionary / Index P proprietor: Meaning and Definition of Find definitions for: pro•pri•e•tor Pronunciation: (pru-prī'i-tur), [key] — n. the owner of a business establishment, a hotel, etc. a person who has the exclusive right or title to something; an owner, as of real property. a group of proprietors; proprietary. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: proprietor (Thesaurus) proprietary colony proprietress Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language