from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A decorated ceiling.
from The Century Dictionary and Cyclopedia
- n. In architecture, the ceiling of a room, whether flat or arched; also, the under side of the projection of the larmier of a cornice, and generally any soffit.
French : plat, flat; see plate + fond, base, bottom; see fond2.(American Heritage® Dictionary of the English Language, Fourth Edition)