American Dictionary of the English Language

GIR'ASOL, noun [Latin gyrus, a turn; Latin sol, the sun.]

1. The turnsole, a plant of the genus Heliotropium.

2. A mineral usually milk white, bluish white or sky blue, but when turned towards the sun or any bright light, it constantly reflects a reddish color; hence its name. It sometimes resembles a translucid jelly.