cornice

noun
  1. A horizontal molded projection that crowns or completes a building or wall, typically found at the top of a wall or column. noun
    The architect designed an ornate cornice to add elegance to the building's facade.
    The cornice of the ancient temple was intricately carved with floral patterns.
  2. A decorative molding around the wall of a room just below the ceiling. noun
    The living room was adorned with a classic cornice that complemented the vintage decor.
    They decided to install a cornice to hide the imperfections where the wall met the ceiling.
  3. An overhanging mass of hardened snow at the edge of a mountain precipice, often formed by wind. noun
    The climbers were cautious of the unstable cornice that loomed above their path.
    A large cornice broke away from the ridge, triggering an avalanche down the slope.