Noun

(en noun)

The surface that bounds the upper limit of a room.

* {{quote-book, year=1963, author=(Margery Allingham)

, title=(The China Governess) , chapter=1 citation , passage=The huge square box, parquet-floored and high-ceiling ed, had been arranged to display a suite of bedroom furniture designed and made in the halcyon days of the last quarter of the nineteenth century, […].}}

The upper limit of an object or action.

(aviation) The highest altitude at which an aircraft may fly.

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

(nautical) The inner planking of a vessel.

Noun

(en noun)

A platform that extends outwards from a building.

*

They stayed together during three dances, went out on to the terrace , explored wherever they were permitted to explore, paid two visits to the buffet, and enjoyed themselves much in the same way as if they had been school-children surreptitiously breaking loose from an assembly of grown-ups.

A raised, flat-topped bank of earth with sloping sides, especially one of a series for farming or leisure; a similar natural area of ground, often next to a river.

A row of residential houses with no gaps between them; a group of row houses.

(in the plural, chiefly, British) The standing area at a football ground.

(chiefly, Indian English) The roof of a building, especially if accessible to the residents. Often used for drying laundry, sun-drying foodstuffs, exercise, or sleeping outdoors in hot weather.