Heliotrope(n.) An instrument or machine for showing when the sun arrived at the tropics and equinoctial line.
Heliotrope(n.) A plant of the genus Heliotropium; -- called also turnsole and girasole. H. Peruvianum is the commonly cultivated species with fragrant flowers.
Heliotrope(n.) An instrument for making signals to an observer at a distance, by means of the sun's rays thrown from a mirror.
Heliotrope(n.) See Bloodstone (a).
Heliotroper(n.) The person at a geodetic station who has charge of the heliotrope.
Heliotropic(a.) Manifesting heliotropism; turning toward the sun.
Heliotropism(n.) The phenomenon of turning toward the light, seen in many leaves and flowers.
Words within heliotropism