noun.
A thin plate, sheet, or layer.
noun.
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noun.
The expanded area of a leaf or petal; a blade.
noun.
The bladelike part of a kelp.
noun.
A thin layer of bone, membrane, or other tissue.
noun.
A thin scalelike or platelike structure, as one of the thin layers of sensitive vascular tissue in the hoof of a horse.
noun.
A narrow bed of rock.