/ Dictionary / Index S Serpasil: Meaning and Definition of Find definitions for: Ser•pa•sil Pronunciation: (sûr'pu-sil), [key] — Pharm., Trademark. Pharm.,Trademark. a brand of reserpine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: serpasil (Thesaurus) serow Serpens Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language