What is the meaning of Parchment?

Material, made from the polished skin of a calf, sheep, goat or other animal, used like paper for writing.

A document made on such material.

A diploma (traditionally written on parchment).

Stiff paper imitating that material.

The creamy to tanned color of parchment.

The envelope of the coffee grains, inside the pulp.

Source: wiktionary.org