[sprag] 
noun, verb, spragged, sprag⋅ging.| 1. | 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. |
| 2. | Mining. a short timber for propping up loose walls or spacing two sets. |
| 3. | to prop, support, or immobilize (a vehicle) by means of a sprag. |
| 4. | to slow a vehicle by means of a sprag or, sometimes, by bracing the feet against the ground. |
