1 definition found for Heliotrope purple

Heliotrope He"li*o*trope, n. [F. h['e]liotrope, L. heliotropium, Gr. ?; ? the sun + ? to turn, ? turn. See Heliacal, Trope.] 1. (Anc. Astron.) An instrument or machine for showing when the sun arrived at the tropics and equinoctial line. 2. (Bot.) A plant of the genus Heliotropium; -- called also turnsole and girasole. H. Peruvianum is the commonly cultivated species with fragrant flowers. 3. (Geodesy & Signal Service) An instrument for making signals to an observer at a distance, by means of the sun's rays thrown from a mirror. 4. (Min.) See Bloodstone (a) . Heliotrope purple, a grayish purple color.