Noun
A cover or covering; an integument.
Especially, the covering of a living body, or of some part or organ of such a body; skin; hide.
Source: Webster's dictionaryIf we bought everything on the Internet, our eyes and mouths and nostrils would probably begin to film over with a tegument - one initially tissue-thin and capable of being removed each morning, but which gradually thickened and hardened until we were imprisoned in our own tiny minds. Will Self