Heliotrope

n.	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. Heliotropium 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.

Noun

1.

heliotrope - green chalcedony with red spots that resemble blood Synonyms: bloodstone

bloodstone, calcedony, chalcedony