What is the meaning of Pellicle?

A thin skin or film.

A skin or coating of proteins on the surface of meat to be smoked, improving the surface adhesion.

Cuticle, the hard protective outer layer of certain life forms.

The skin of a mushroom cap.

The outermost layer of a mushroom, often used only for a surface that is viscid and easily peels off.

A thin layer supporting the cell membrane in various protozoa.

The growth on the surface of a liquid culture.

The photosensitive emulsion of photographic film.

A thin plastic membrane used as a beam splitter or protective cover.

Source: wiktionary.org