Obs. [bad form of med.L. eliotropia, f. Gr. ἠλιοτρόπιον: see HELIOTROPE.]
a. A gem supposed to possess optical virtues and properties. b. A herb supposed to have been used in witchcraft.
1567. Maplet, Gr. Forest, 7. Elutropia is a Gemme, in colour greene, or grassie, in part coloured and bespotted with Purple speckes & bloud coloured vaines Also a certaine Hearbe which Enchaunters & Witches haue oftentimes vsed, and doe vse.
1688. R. Holme, Armoury, II. 40/1. The Elutropia will cause things a farr off to be presented to your Eyes.