n.

1. 1. The upper interior surface of a room.
   2. Material used to cover this surface.
2. Something resembling a ceiling: a ceiling of leaves over the arbor.
3. An upper limit, especially as set by regulation: wage and price ceilings.
4. 1. The highest altitude under particular weather conditions from which the ground is still visible.
   2. The altitude of the lowest layer of clouds.
   3. Absolute ceiling.
5. Nautical. The planking applied to the interior framework of a ship.

[Middle English celing, from celen, to ceil. See ceil.]

ceilinged ceil'inged adj.

The highest level of allowance permitted for a certain good, rate, or transaction.

Investopedia Says:
Also referred to as a cap, a ceiling is a restrictive measure placed upon certain investments. An example would be a price ceiling or limit attached to an equity order given to a broker.

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1. maximum Deposit Interest Rate permitted on interest-bearing deposit accounts by Federal Reserve Regulation Q. The Regulation Q rate ceiling gradually was phased out in the 1980s, when deposit interest rates were decontrolled, allowing banks and savings institutions to compete openly for deposit dollars by paying depositors market rates for savings accounts and certificates of deposit. The legal interest rate ceiling, jointly administered by banking regulatory agencies, was originally intended to ensure that all financial institutions, no matter how large or small, had equitable access to consumer deposits. See also Depository Institutions Deregulation & Monetary Control Act; Market Rate of Interest.

2. Usury ceiling, the highest rate of interest permitted by state law on consumer installment loans and other extensions of credit.

3. In Foreign Exchange, the price level of a particular currency that triggers Intervention by central banks in the exchange markets.

noun

The greatest amount or number allowed: limit, limitation, maximum. See limited/unlimited.

n

Definition: maximum
Antonyms: minimum

n

Definition: top of a room
Antonyms: floor

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n. 1. the maximum altitude that a particular aircraft can reach.

2. the altitude of the base of a cloud layer.

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

See the Introduction, Abbreviations and Pronunciation for further details.

For more information on ceiling, visit Britannica.com.

The overhead surface of a room, usually a covering or decorative treatment used to conceal the floor above or the roof.

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(DOD) The height above the Earth's surface of the lowest layer of clouds or obscuration phenomena that is reported as "broken," "overcast," or "obscured" and not classified as "thin" or "partial."

IN BRIEF: The inside top part of a room, opposite the floor.

Every ceiling, when reached, becomes a floor, upon which one walks as a matter of course and prescriptive right. — Aldous Huxley (1894-1963).

Tutor's tip: She is "sealing" (fastening tightly) the cracks around the "ceiling" (the inside top of a room).

This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)

Dansk (Danish)
n. - loft, højdegrænse, skyhøjde, inderklædning

Nederlands (Dutch)
plafond, wegering

Français (French)
n. - (Aviat, Constr) plafond, plafond de, limite de

Deutsch (German)
n. - Decke, Maximum, (aer.) Gipfelhöhe, (mar.) Wegerung, Wolkenhöhe

Ελληνική (Greek)
n. - οροφή, ταβάνι, (οικον.) ανώτατο όριο, πλαφόν

Italiano (Italian)
soffitto

Português (Portuguese)
n. - teto (m)

Русский (Russian)
потолок

Español (Spanish)
n. - techo, cielo raso

Svenska (Swedish)
n. - innertak, maximihöjd (flygv.), högsta gräns (bildl.)

中文（简体） (Chinese (Simplified))
天花板, 最高限度

中文（繁體） (Chinese (Traditional))
n. - 天花板, 最高限度

한국어 (Korean)
n. - 천장, 최고한도

日本語 (Japanese)
n. - 天井, 最高限度, 上昇限度, シーリング

العربيه (Arabic)
‏(الاسم) سقف, الحد الأقصى‏

עברית (Hebrew)
n. - ‮תקרה, תקרת הגובה, הציפוי בלוחות של תחתית ספינה וצדיה‬

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ceiling	ceiling fans
Texture Ceiling	ceiling speakers