lāmella, ae, f. dim. [lamina],
a small plate of metal , Vitr. 7, 3: paucae lamellae argenti, a few small silver coins , Sen. Vit. Beat. 21, 3; id. Brev. Vit. 12, 2: stella e lamella aerea, Paul. ex Fest. p. 351.
·noun a thin plate or scale of anything, as a thin scale growing from the petals of certain flowers;...
Webster's Dictionary of the English Language