Ceiling

Webster's Dictionary of the English Language

·vt The inner planking of a vessel.

II. Ceiling ·p.pr. & ·vb.n. of Ceil.

III. Ceiling ·vt The lining or finishing of any wall or other surface, with plaster, thin boards, ·etc.; also, the work when done.

IV. Ceiling ·vt The inside lining of a room overhead; the under side of the floor above; the upper surface opposite to the floor.