noun.
In zoology and anat.: The scarf-skin or epidermis; the outermost layer of the skin, forming the general superficial integument or covering of the body (see cut under skin); by extension, any kind of epidermal or cuticular growths, as nails, claws, hoofs, horns, hair, feathers, etc.
noun.
The outermost and very superficial integument in general, without reference to its exact nature; a pellicle; a skin, rind, or other investing structure.
noun.
Some thick, tough membrane lining an internal organ: as, the cuticle of a fowl's gizzard.
noun.
In infusorians, specifically, the cell-wall.
noun.
2. In botany, a continuous hyaline film covering the surface of a plant and formed of the cutinized outer surfaces of the epidermal cells. Sometimes used as equivalent to epidermis.
noun.
A thin skin formed on the surface of liquor; a film or pellicle.