What does the word panel mean?

Usage examples for panel

  1. Next to the beauty of type in this and other figures, we have to notice the pure rich colouring and the extraordinary beauty, in the central panel, of the landscape background. – Perugino by Selwyn Brinton
  2. A faint ray of light traced along the sill of the secret door guided Montefiore to the place; he scratched the panel softly and Juana opened to him. – Juana by Honore de Balzac