[{"Bold_text": "noun", "List Items": ["a structure, usually vertical, containing a passage or flue by which the smoke, gases, etc., of a fire or furnace are carried off and by means of which a draft is created.", "the part of such a structure that rises above a roof.", "Now Rare.the smokestack or funnel of a locomotive, steamship, etc.", "a tube, usually of glass, surrounding the flame of a lamp to promote combustion and keep the flame steady.", "Geology.the vent of a volcano.a narrow vertical fissure between two rock faces or in a rock formation.", "the vent of a volcano.", "a narrow vertical fissure between two rock faces or in a rock formation.", "Mining.a nearly vertical cylindrical oreshoot.", "British Dialect. fireplace ."]}, {"Bold_text": "verb (used with object)", "List Items": ["Mountain Climbing.to ascend or descend (a chimney) by repeated bracing of one's feet or back and feet against opposite walls."]}, {"Bold_text": "verb (used without object)", "List Items": ["Mountain Climbing.to ascend or descend a chimney."]}]