/ Dictionary / Index P peristaltic: Meaning and Definition of Find definitions for: per•i•stal•tic Pronunciation: (per"u-stôl'tik, -stal'-), [key] — adj. Physiol. of, pertaining to, or resembling peristalsis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. peristalsis Peristéri Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language