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 .