/ Dictionary / Index P proprietrix: Meaning and Definition of Find definitions for: pro•pri•e•trix Pronunciation: (pru-prī'i-triks), [key] — n. proprietress. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. proprietress propriety 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