Lamina /(lăm"ĭ*nȧ)/

pl. Laminæ, Laminas ((-nē))

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. The blade of a leaf; the broad, expanded portion of a petal or sepal of a flower. (Bot.)
3. A thin plate or scale; specif., one of the thin, flat processes composing the vane of a feather. (Zool.)