Possible Clues:

• Disguising ceiling, Victor replaces cornice initially
• Concealing, in a way
• Obscuring, in a way
• Give about nothing up for cover
• Clump (of grass, hair, etc)
• Shrouding
• Hiding
• It's evil with gin to get it under cover
• Vile gin (anag.)
• If one is going to live with gin, this will provide cover for it