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.