adjective (a)

• overlaid or spread or topped with or enclosed within something; sometimes used as a combining form(adj.all)

  Example:
  Women with covered faces.
  Covered wagons.
  A covered balcony.
  

  Antonym:
  bare
  

  source: wordnet30
• Under cover; screened; sheltered; not exposed; hidden.(adjective)

  source: webster1913