Lamina
Pronunciation : Lam"i*na
Part of Speech : n.;
Definition : 1. A thin plate or scale; a laying over another; -- said of thin plates or platelike substances, as of bone or minerals.
2. (Bot.)
Defn: The blade of a leaf; the broad, expanded portion of a petal or sepal of a flower. Gray.
3. (Zo?l.)
Defn: A thin plate or scale; specif., one of the thin, flat processes composing the vane of a feather.
pl. L. Lamella.
Source : Webster's Unabridged Dictionary, 1913