<p><strong>Noun:</strong></p><ul><li>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.</li><li>In mining, a short timber for propping up loose walls or spacing two sets.</li></ul><p><strong>Verb (used with object):</strong></p><ul><li>Spragged, spragging: To prop, support, or immobilize (a vehicle) by means of a sprag.</li></ul><p><strong>Verb (used without object):</strong></p><ul><li>Spragged, spragging: To slow a vehicle by means of a sprag or, sometimes, by bracing the feet against the ground.</li></ul>