(The plural can be pronounced [[t]ru͟ːfs[/t]] or [[t]ru͟ːvz[/t]].)
1) N-COUNT The roof of a building is the covering on top of it that protects the people and things inside from the weather.

...a small stone cottage with a red slate roof...

A pail stood in one corner of the room to catch the drips where the roof leaked.

2) N-COUNT The roof of a car or other vehicle is the top part of it, which protects passengers or goods from the weather.

The car rolled onto its roof, trapping him.

3) N-COUNT: the N of n The roof of your mouth is the highest part of the inside of your mouth.

She clicked her tongue against the roof of her mouth.

4) N-COUNT The roof of an underground space such as a cave or mine is the highest part of it.

The cave roof collapsed.

5) PHRASE: V inflects If the level of something such as the price of a product or the rate of inflation goes through the roof, it suddenly increases very rapidly indeed. [INFORMAL]

Prices for Korean art have gone through the roof.

6) PHRASE: V inflects If you hit the roof or go through the roof, you become very angry indeed, and usually show your anger by shouting at someone. [INFORMAL]

Sergeant Long will hit the roof when I tell him you've gone off.

go mad
7) PHRASE: head inflects If you have a roof over your head, you have somewhere to live.

I am just thankful that we have a roof over our heads.

8) PHRASE: V inflects If a group of people inside a building raise the roof, they make a very loud noise, for example by singing or shouting.

The show featured Mrs Mac the cleaner, who raised the roof every time with her catchphrase: `Can I do you now, sir?'

9) PHRASE: PHR after v, v-link PHR If a number of things or people are under one roof or under the same roof, they are in the same building.

The firms intend to open either together under one roof or alongside each other in shopping malls...

While his relations with his mother were reasonably satisfactory, having her living under the same roof was a totally different matter!

10) PHRASE: PHR after v, v-link PHR If something happens under your roof, it happens in your home.

Lionel has forbidden her ever to mention that name again under his roof.

English dictionary. 2008.

(of a house or of a building), (with a roof) / , , , , , / /

Look at other dictionaries:

  • roof — roof …   Dictionnaire des rimes

  • Roof — Roof, n. [OE. rof, AS. hr?f top, roof; akin to D. roef cabin, Icel. hr?f a shed under which ships are built or kept; cf. OS. hr?st roof, Goth. hr?t. Cf. {Roost}.] 1. (Arch.) The cover of any building, including the roofing (see {Roofing}) and all …   The Collaborative International Dictionary of English

  • roof — [ro͞of, roof] n. pl. roofs [ME rof < OE hrof, akin to ON, roof, shed < IE base * k̑rapo > OSlav stropŭ, roof] 1. the outside top covering of a building 2. figuratively, a house or home 3. the top or peak of anything [the roof of the… …   English World dictionary

  • roof — O.E. hrof roof, ceiling, top, from P.Gmc. *khrofaz (Cf. O.Fris. rhoof roof, M.Du. roof cover, roof, Du. roef deckhouse, cabin, coffin lid, M.H.G. rof penthouse, O.N. hrof boat shed ). No apparent connections outside Germanic. English alone has… …   Etymology dictionary

  • roof — ► NOUN (pl. roofs) 1) the structure forming the upper covering of a building or vehicle. 2) the top inner surface of a covered area or space. 3) the upper limit or level of prices or wages. ► VERB (usu. be roofed) ▪ cover with or as a roof …   English terms dictionary

  • Roof — Roof, v. t. [imp. & p. p. {Roofed}; p. pr. & vb. n. {Roofing}.] 1. To cover with a roof. [1913 Webster] I have not seen the remains of any Roman buildings that have not been roofed with vaults or arches. Addison. [1913 Webster] 2. To inclose in a …   The Collaborative International Dictionary of English

  • Roof — steht für Michael Roof (1979–2009), US Schauspieler Roof (Einheit), Garnmaß im Königreich Hannover Siehe auch: Ruf Diese Seite ist eine Begriffsklärung zur Unterscheidun …   Deutsch Wikipedia

  • roof — /ingl. ruːf/ accorc. di roof garden (V.) …   Sinonimi e Contrari. Terza edizione

  • Roof — (spr. Ruff), eine Art Hütte oben auf dem Deck mancher Kauffahrteischiffe nahe vor der Kajüte; Quartier der Matrosen auf den Schiffen, deren Raum für die Ladung allein bestimmt ist …   Pierer's Universal-Lexikon

  • Roof — Roof, auf kleinen Kauffahrteischiffen eine Hütte auf Deck, meist Wohnraum der Mannschaft …   Meyers Großes Konversations-Lexikon

  • Roof — (engl., spr. ruf), Dach; Deckshaus auf dem Oberdeck von Kauffahrteischiffen, Mannschaftsraum …   Kleines Konversations-Lexikon

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