from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a decoration, usually a painting, that is placed above a doorway
from The Century Dictionary and Cyclopedia
- Set above a doorway, or prepared to be so placed: said of a panel or any decorative appliance. The overdoor paintings are an important feature in eighteenth-century interior decorations.
- n. The space above a door.
over- + door (Wiktionary)