n.; pl. L. Laminæ . Laminas [ L. cf. Lamella. ] 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. [ 1913 Webster ]

2. (Bot.) The blade of a leaf; the broad, expanded portion of a petal or sepal of a flower. Gray. [ 1913 Webster ]

3. (Zool.) A thin plate or scale; specif., one of the thin, flat processes composing the vane of a feather. [ 1913 Webster ]