/ Dictionary / Index P Peritrate: Meaning and Definition of Find definitions for: Per•i•trate Pronunciation: (per'i-trāt"), [key] — Pharm., Trademark. Pharm.,Trademark. a brand of pentaerythritol tetranitrate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: peritrate (Thesaurus) peritonitis peritrichate Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language