mantle

noun

1.
the cloak as a symbol of authority
2.
the layer of the earth between the crust and the core
3.
anything that covers
blanket
Derived from:
mantle
4.
(zoology) a protective layer of epidermis in mollusks or brachiopods that secretes a substance forming the shell
pallium
5.
shelf that projects from wall above fireplace
chimneypiece mantel mantelpiece mantlepiece
6.
hanging cloth used as a blind (especially for a window)
forehang hangcloth woughrift curtain drape drapery pall
7.
a sleeveless garment like a cloak but shorter
french cape