/ Dictionary / Index P Piatigorsk: Meaning and Definition of Find definitions for: Pia•ti•gorsk Pronunciation: (pyä"ti-gôrsk' Russ. pyi-tyi-gôrsk'), [key] — n. Pyatigorsk. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Piat Piatigorsky 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