roof Definition in the Cambridge English Dictionary
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Definition of “roof” - English Dictionary

Definition of "roof" - American English Dictionary

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roofnoun [C]

 us   /ruf, rʊf/
the ​covering that ​forms the ​top of a ​building, ​vehicle, or other ​object: The ​school has a ​flat roof. The roof of ​yourmouth is the mouth’s ​upper, inside ​surface: Peanut ​buttersticks to the roof of ​yourmouth.
roof
verb [T]  us   /ruf, rʊf/
They roofed the ​house with ​old-fashionedshingles.
(Definition of roof from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "roof" - British English Dictionary

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roofnoun [C]

uk   us   /ruːf/
A2 the ​covering that ​forms the ​top of a ​building, ​vehicle, etc.: The ​house has a ​sloping/​flat/​tiled/​thatched roof. Put the ​luggage on the roof of the ​car. The roof (= ​uppersurface) of the ​cave is 50 ​metres up. This ​cake is so ​dry that it ​sticks to the roof ofyourmouth (= ​uppersurface of the ​mouth).
More examples

roofverb [T often passive]

uk   us   /ruːf/
to put a roof on a ​building
-roofed
suffix uk   us   /-t/
a slate-roofed ​house
Phrasal verbs
(Definition of roof from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “roof”
in Korean 지붕…
in Arabic سَطْح…
in Malaysian atap…
in French toit…
in Russian крыша…
in Chinese (Traditional) 屋頂, 車頂, 頂部…
in Italian tetto…
in Turkish çatı, tavan…
in Polish dach…
in Spanish techo…
in Vietnamese mái nhà…
in Portuguese telhado, teto…
in Thai หลังคา…
in German das Dach…
in Catalan teulada…
in Japanese 屋根, 屋上…
in Chinese (Simplified) 屋顶, 车顶, 顶部…
in Indonesian atap…
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