Lamina

Webster's Dictionary of the English Language

·noun The blade of a leaf; the broad, expanded portion of a petal or sepal of a flower.

II. Lamina ·noun A thin plate or scale; specif., one of the thin, flat processes composing the vane of a feather.

III. Lamina ·noun A thin plate or scale; a layer or coat lying over another;

— said of thin plates or platelike substances, as of bone or minerals.

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