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roof noun [ ruːf ]

• the structure forming the upper covering of a building or vehicle.
• "the rain woke him, hammering on the roof"
• the upper limit or level of prices or wages.
• "starting salary £12,185, rising to a roof of £16,835"

roof verb

• cover with a roof.
• "the yard had been roughly roofed over with corrugated iron"
Origin: Old English hrōf, of Germanic origin; related to Old Norse hróf ‘boat shed’, Dutch roef ‘deckhouse’. English alone has the general sense ‘covering of a house’; other Germanic languages use forms related to thatch .

go through the roof

• (of prices or figures) reach extreme or unexpected heights.
"rents have gone through the roof"

the roof of the world

• the Himalayas.

hit the roof

• suddenly become very angry.
"when she surprised him in bed with another woman she hit the roof"



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