[{"Bold_text": "noun", "List Items": ["the external upper covering of a house or other building.", "a frame for supporting this:an open-timbered roof.", "the highest part or summit:The Himalayas are the roof of the world.", "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.", "a house.", "Mining.the rock immediately above a horizontal mineral deposit."]}, {"Bold_text": "verb (used with object)", "List Items": ["to provide or cover with a roof."]}]