Question

what is the roof form of a word​

Answer 1

noun, plural roofs. the external upper covering of a house or other building. ... something that in form or position resembles the roof of a house, as the top of a car, the upper part of the mouth, etc.

Answer 2

A roof is part of a building envelope. It is the covering on the uppermost part of a building or shelter which provides protection from animals and weather, notably rain or snow, but also heat, wind and sunlight. The word also denotes the framing or structure which supports that covering.