01 n. The inside lining of a room overhead; the under side of the floor above; the upper surface opposite to the floor.
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1.
The inside lining of a room overhead; the under side of the floor above; the upper surface opposite to the floor.(Arch.)
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2.
The inner planking of a vessel.(Naut.)
Phrases & compounds
Camp ceiling —
See under Camp.
Ceiling boards —
Thin narrow boards used to ceil with.