/ Dictionary / Index R reserpine: Meaning and Definition of Find definitions for: res•er•pine Pronunciation: (res'ur-pin, -pēn", ru-sûr'pin, -pēn), [key] — n. Pharm. an alkaloid, CHNO, obtained from the root of the rauwolfia, Rauwolfia serpentina, used in the treatment of hypertension. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: reserpine (Thesaurus) resentment reservation Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language