Ceiling
The ceiling was the uppermost surface of a room.

In 2268, James T. Kirk offered to fill Elaan's quarters from floor to ceiling with breakable objects to allow her to expend her anger. The Elasian declined. ()

In 2371, a lungless Neelix told The Doctor that 's ceiling was "hideous" and suggested that he put a tapestry or a painting there. Later, he expressed his fear that he would lie in sickbay for the rest of his life staring at the ceiling. ()

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Architecture