sprag
- n a chock or bar wedged under a wheel or between the spokes to prevent a vehicle from rolling down an incline
- n a wooden prop used to support the roof of a mine
- Young John had just enough time to spike Pete between the eyes with the point of the sprag of his coal car.
- Better than Hansard's editor, Ernie Bevin knew a sprag from a spoke for, as he pointed out, he had been a drayman's boy himselfafter he left the farm and went to the "big .