ceiling

The huge square box, parquet-floored and high-ceilinged, had been arranged to display a suite of bedroom furniture designed and made in the halcyon days of the last quarter of the nineteenth century, […].

Market forces naturally move the economy to the equilibrium, and the price ceiling has no effect on the price or the quantity sold.

Even though it was cloudy, there was still enough ceiling for the Blue Angels to perform a great show.

The ceiling of 4.5 is 5; the ceiling of −4.5 is −4.