Source : Webster's Revised Unabridged Dictionary (1913)

Girasole Girasol \Gir"a*sole Gir"a*sol\, n. [It. girasole, or F.
   girasol, fr. L. gyrare to turn around + sol sun.]
   1. (Bot.) See {Heliotrope}. [Obs.]

   2. (Min.) A variety of opal which is usually milk white,
      bluish white, or sky blue; but in a bright light it
      reflects a reddish color.