/ Dictionary / Index H Helvetian: Meaning and Definition of Find definitions for: Hel•ve•tian Pronunciation: (hel-vē'shun), [key] — adj. of or pertaining to Helvetia or the Helvetii. Swiss. —n. one of the Helvetii. a Swiss. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Helvetia Helvetic Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language