ceiling
/ˈsilɪŋ/ noun B2- The overhead closure of a room. · The dining room had an ornate ceiling.
- The upper limit of an object or action.
- The highest altitude at which an aircraft can safely maintain flight.
- The measurement of visible distance from ground or sea level to an overcast cloud cover; under a clear sky, the ceiling measurement is identified as "unlimited."
- The smallest integer greater than or equal to a given number. · The ceiling of 4.5 is 5; the ceiling of −4.5 is −4.
- The inner planking of a vessel.
- The maximum permitted level in a financial transaction.
- The overhead interior surface that covers the upper limits of a room.
Plural ceilings
From the library
There was a moment’s silence, during which the noise of the banker’s pen was alone heard, while Monte Cristo examined the gilt mouldings on the ceiling.
It was a big, round room with a high arched roof, and the walls and ceiling and floor were covered with large emeralds set closely together.
The eyes winked three times, and then they turned up to the ceiling and down to the floor and rolled around so queerly that they seemed to see every part of the room.
“This I hung from the ceiling by a wire,” said Oz.
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