Lam"i*na (?), n.; pl. L. Lamella.
1.
A thin plate or scale; a laying 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.
Gray.
3. Zool.
A thin plate or scale; specif., one of the thin, flat processes composing the vane of a feather.
© Webster 1913.