fig leaf
noun /ˈfɪɡ liːf/
  /ˈfɪɡ liːf/
- a leaf of a fig tree, traditionally used for covering the sex organs of naked bodies in paintings and on statues
 - a thing that is used to hide an embarrassing fact or situation
 
Word Originearly 16th cent.: with reference to the story of Adam and Eve in the Christian Bible (Gen. 3:7).