/ Dictionary / Index H Helvellyn: Meaning and Definition of Find definitions for: Hel•vel•lyn Pronunciation: (hel-vel'in), [key] — n. a mountain in NW England. 3118 ft. (950 m). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. helve Helvetia Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language