roofs
noun(roof)
an upper limit on what is allowed
Examples:
There was a roof on salaries.
roofs
noun(roof)
a protective covering that covers or forms the top of a building
roofs
noun(roof)
protective covering on top of a motor vehicle
roofs
verb(roof)
provide a building with a roof; cover a building with a roof
roofs
noun(roof)
the inner top surface of a covered area or hollow space
Examples:
The roof of the cave was very high.
I could see the roof of the bear's mouth.