[{"Bold_text": "noun", "List Items": ["a seat, especially for one person, usually having four legs for support and a rest for the back and often having rests for the arms.", "something that serves as a chair or supports like a chair:The two men clasped hands to make a chair for their injured companion.", "a seat of or authority.", "a position of authority, as of a judge, professor, etc.", "the person occupying a seat of , especially the chairperson of a meeting:The speaker addressed the chair.", "(in an orchestra) the position of a player, assigned by rank; desk :first clarinet chair.", "the chair,Informal. electric chair electric chair.", "chairlift .", "sedan chair sedan chair.", "(in reinforced-concrete construction) a device for maintaining the position of reinforcing rods or strands during the pouring operation.", "a glassmaker's bench having extended arms on which a blowpipe is rolled in shaping glass.", "British Railroads.a metal block for supporting a rail and securing it to a crosstie or the like."]}, {"Bold_text": "verb (used with object)", "List Items": ["to place or seat in a chair.", "to install in office.", "to preside over; act as chairperson of:to chair a committee.", "British.to carry (a hero or victor) aloft in triumph."]}, {"Bold_text": "verb (used without object)", "List Items": ["to preside over a meeting, committee, etc."]}]