Shroud

noun

1. That which clothes, covers, conceals, or protects; a garment.
2. Especially, the dress for the dead; a winding sheet.
3. That which covers or shelters like a shroud.
4. A covered place used as a retreat or shelter, as a cave or den; also, a vault or crypt.
5. A rope or cable serving to support the mast sideways.