[{"Bold_text": "noun", "List Items": ["a pole or bar hinged to the rear axle of a cart or the like in such a way that it can brace the vehicle against a road to prevent it from rolling downhill.", "Mining.a short timber for propping up loose walls or spacing two sets."]}, {"Bold_text": "verb (used with object)", "List Items": ["to prop, support, or immobilize (a vehicle) by means of a sprag."]}, {"Bold_text": "verb (used without object)", "List Items": ["to slow a vehicle by means of a sprag or, sometimes, by bracing the feet against the ground."]}, {"Bold_text": "noun", "List Items": ["a young cod."]}]