1. (noun) an upper limit on what is allowed

• cap
• ceiling

1. (noun) a protective covering that covers or forms the top of a building

• protection
• protective cover
• protective covering

2. (noun) protective covering on top of a motor vehicle

• protection
• protective cover
• protective covering

3. (noun) the inner top surface of a covered area or hollow space

• cover
• covering
• natural covering

4. (noun) an upper limit on what is allowed

• control

5. (verb) provide a building with a roof; cover a building with a roof

• cover

1. (noun) a protective covering that covers or forms the top of a building

• curb roof
• dome
• gable roof
• saddle roof
• saddleback
• saddleback roof
• hip roof
• hipped roof
• housetop
• slate roof
• sunroof
• sunshine-roof
• thatch
• thatched roof
• tile roof
• vault

2. (noun) protective covering on top of a motor vehicle

• hood

3. (noun) an upper limit on what is allowed

• glass ceiling

4. (verb) provide a building with a roof; cover a building with a roof

• shingle
• slate
• thatch

1. (noun) an upper limit on what is allowed

• cap

2. (verb) provide a building with a roof; cover a building with a roof

• roofer
• roofing