Roof vs. Ceiling

Roofnoun

The external covering at the top of a building

Roofnoun

The upper part of a cavity.

Roofnoun

(mining) The surface or bed of rock immediately overlying a bed of coal or a flat vein.

Roofverb

To cover or furnish with a roof.

Roofverb

To traverse buildings by walking or climbing across their roofs.

Roofverb

(slang) To put into prison for not a short time.

Roofnoun

The cover of any building, including the roofing (see Roofing) and all the materials and construction necessary to carry and maintain the same upon the walls or other uprights. In the case of a building with vaulted ceilings protected by an outer roof, some writers call the vault the roof, and the outer protection the roof mask. It is better, however, to consider the vault as the ceiling only, in cases where it has farther covering.

Roofnoun

That which resembles, or corresponds to, the covering or the ceiling of a house; as, the roof of a cavern; the roof of the mouth.

Roofnoun

The surface or bed of rock immediately overlying a bed of coal or a flat vein.

Roofverb

To cover with a roof.

Roofverb

To inclose in a house; figuratively, to shelter.

Roofnoun

a protective covering that covers or forms the top of a building

Roofnoun

protective covering on top of a motor vehicle

Roofverb

provide a building with a roof; cover a building with a roof

Roofnoun

the structure forming the upper covering of a building or vehicle

Roofnoun

the top inner surface of a covered area or space; the ceiling

Roofnoun

used to signify a house or other building, especially in the context of hospitality or shelter

Roofnoun

the upper limit or level of prices or wages

Roofverb

cover with a roof

Roofverb

function as the roof of

Roof

A roof is the top covering of a building, including all materials and constructions necessary to support it on the walls of the building or on uprights, providing protection against rain, snow, sunlight, extremes of temperature, and wind. A roof is part of the building envelope.

Ceilingnoun

The overhead closure of a room.

Ceilingnoun

The upper limit of an object or action.

Ceilingnoun

(aviation) The highest altitude at which an aircraft can safely maintain flight.

Ceilingnoun

(meteorology) The measurement of visible distance from ground or sea level to an overcast cloud cover; under a clear sky, the ceiling measurement is identified as "unlimited."

Ceilingnoun

(mathematics) The smallest integer greater than or equal to a given number.

Ceilingnoun

(nautical) The inner planking of a vessel.

Ceilingverb

present participle of ceil

Ceilingnoun

The inside lining of a room overhead; the under side of the floor above; the upper surface opposite to the floor.

Ceilingnoun

The inner planking of a vessel.

Ceilingnoun

the overhead upper surface of a room;

Ceilingnoun

(meteorology) altitude of the lowest layer of clouds

Ceilingnoun

an upper limit on what is allowed;

Ceilingnoun

maximum altitude at which a plane can fly (under specified conditions)

Ceilingnoun

the upper interior surface of a room or other similar compartment

Ceilingnoun

an upper limit set on prices, wages, or expenditure

Ceilingnoun

the maximum altitude that a particular aircraft can reach

Ceilingnoun

the altitude of the base of a cloud layer.

Ceilingnoun

the inside planking of a ship's bottom and sides.

Ceiling

A ceiling is an overhead interior surface that covers the upper limits of a room. It is not generally considered a structural element, but a finished surface concealing the underside of the roof structure or the floor of a story above.