Ceil"ing, n. [See Cell, v. t.]
1. Arch. (a)
The inside lining of a room overhead; the under side of the floor above; the upper surface opposite to the floor.
(b)
The lining or finishing of any wall or other surface, with plaster, thin boards, etc.; also, the work when done.
2. Naut.
The inner planking of a vessel.
Camp ceiling. See under Camp. -- Ceiling boards, Thin narrow boards used to ceil with.
© Webster 1913.