LAMINA

Lam″i‐na (lăm″ĭ‐nȧ), n.; pl. L. Laminæ (–nē) E. Laminas (–nȧz). [[L. cf. Lamella.]] 1. 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. 2. (Bot.) The blade of a leaf; the broad, expanded portion of a petal or sepal of a flower. Gray.
3. 3. (Zoöl.) A thin plate or scale; specif., one of the thin, flat processes composing the vane of a feather.