La*mel"la (?), n.; pl. L. Lamellæ (#), E. Lamellas (#). [L. lamella, dim. of lamina plate, leaf, layer: cf. F. lamelle. Cf. Lamina, Omelet.] a thin plate or scale of anything, as a thin scale growing from the petals of certain flowers; or one of the thin plates or scales of which certain shells are composed.

• a thin, plate-like structure