[{"Bold_text": "noun", "List Items": ["Printing.a title or heading a line or group of lines the full width of the column.", "Machinery.a sliding member of a reciprocating engine for keeping the motion of the joint between a piston rod and a connecting rod in a straight line.", "Nautical.a crosspiece on a rudderpost by which the rudder is turned.", "Engineering, Building Trades.a transverse timber for transmitting the lifting effort of two or more jackscrews supporting it to the foot of a shore that it supports.Compare shore2(def1) shore2(def1)."]}]