Read the dictionary definition of roof. All definitions for this word.
1. a protective covering that covers or forms the top of a building
2. protective covering on top of a motor vehicle
3. 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
4. the inner top surface of a covered area or hollow space
1. the roof of the cave was very high
2. I could see the roof of the bear's mouth
5. provide a building with a roof; cover a building with a roof
