/ Dictionary / Index H heliotrope: Meaning and Definition of Find definitions for: he•li•o•trope Pronunciation: (hē'lē-u-trōp", hēl'yu- or, esp. Brit., hel'yu-), [key] — n. any hairy plant belonging to the genus Heliotropium, of the borage family, as H. arborescens, cultivated for its small, fragrant purple flowers. any of various other plants, as the valerian or the winter heliotrope. any plant that turns toward the sun. a light tint of purple; reddish lavender. an arrangement of mirrors for reflecting sunlight from a distant point to an observation station. bloodstone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: heliotrope (Thesaurus) heliotherapy heliotropic Related Content Daily Word Quiz: voracious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language