/ Dictionary / Index H helistop: Meaning and Definition of Find definitions for: hel•i•stop Pronunciation: (hel'u-stop", hē'lu-), [key] — n. a heliport. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. heliskiing helium Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language