vt the inner planking of a vessel.
2. ceiling ·p.pr. & ·vb.n. of ceil.
3. ceiling ·vt the lining or finishing of any wall or other surface, with plaster, thin boards, ·etc.; also, the work when done.
4. ceiling ·vt the inside lining of a room overhead; the under side of the floor above; the upper surface opposite to the floor.