Heliotrope
Pronunciation : He"li*o*trope
Part of Speech : n.
Etymology : [F. h?liotrope, L. heliotropium, Gr. Heliacal, Trope.]
Definition : 1. (Anc. Astron.)
Defn: An instrument or machine for showing when the sun arrived at the tropics and equinoctial line.
2. (Bot.)
Defn: 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)
Defn: An instrument for making signals to an observer at a distance, by means of the sun's rays thrown from a mirror.
4. (Min.)
Defn: See Bloodstone (a). Heliotrope purple, a grayish purple color.
Source : Webster's Unabridged Dictionary, 1913