/ Dictionary / Index H Helvetic: Meaning and Definition of Find definitions for: Hel•vet•ic Pronunciation: (hel-vet'ik), [key] — n. a Swiss Protestant; Zwinglian. —adj. Helvetian. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Helvetian Helvetii Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language