/ Dictionary / Index P Piatigorsky: Meaning and Definition of Find definitions for: Pia•ti•gor•sky Pronunciation: (pyä"ti-gôr'skē, pyat"i-), [key] 1903–76, U.S. cellist, born in Russia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Piatigorsk Piauí Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language