Lamina

n. pl. L. Laminæ (-nē) E. Laminas (-nåz).

1. A thin plate or scale; a layer or coat lying over another; -- said of thin plates or platelike substances, as of bone or minerals.
2. (Bot.) The blade of a leaf; the broad, expanded portion of a petal or sepal of a flower.
3. (Zoöl.) A thin plate or scale; specif., one of the thin, flat processes composing the vane of a feather.