Read the dictionary definition of ceiling. All definitions for this word.
1. the overhead upper surface of a covered space
1. he hated painting the ceiling
2. (meteorology) altitude of the lowest layer of clouds
3. maximum altitude at which a plane can fly (under specified conditions)
4. an upper limit on what is allowed
1. he put a ceiling on the number of women who worked for him
2. there was a roof on salaries
3. they established a cap for prices