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1. A protective covering that covers or forms the top of a building
    
2. Protective covering on top of a motor vehicle
    
3. The inner top surface of a covered area or hollow space
   "the roof of the cave was very high"; "I could see the roof of the bear's mouth"
    
4. An upper limit on what is allowed
   "there was a roof on salaries";
   - ceiling, cap

1. Provide a building with a roof; cover a building with a roof

Derived forms: roofs, roofing, roofed

Type of: control, cover, covering, natural covering, protection, protective cover, protective covering

Part of: auto [informal], autobus, autocar [archaic], automobile [N. Amer], building, bus, car, cave, charabanc [Brit], coach, double-decker, edifice, jitney [N. Amer, informal], lorry [Brit], motorbus, motorcar, motorcoach, motortruck [N. Amer], omnibus, passenger vehicle, truck, wheel [informal], whip [US, informal]

Encyclopedia: Roof, Michael