Sprag (Noun)
Meaning 1
A wooden prop used to support the roof of a mine.
Classification
Nouns denoting man-made objects.
Examples
- The miner carefully wedged a sprag between the rock face and the timber beam to stabilize the tunnel roof.
- Inadequate placement of a sprag can cause a sudden collapse of the mine shaft.
- The team of miners worked to install a new sprag system to reinforce the weakened tunnel roof.
- A single rotting sprag was all it took to trigger the devastating cave-in that trapped several workers.
- Reusing old sprags was a cost-cutting measure, but it also increased the risk of accidents in the mine.
Synonyms
Hypernyms
Meaning 2
A chock or bar wedged under a wheel or between the spokes to prevent a vehicle from rolling down an incline.
Classification
Nouns denoting man-made objects.
Examples
- The driver placed a sprag under the rear wheel of the truck to prevent it from rolling down the steep hill.
- After parking on the slope, she carefully positioned a sprag between the spokes of the wheel to ensure the car wouldn't budge.
- A sturdy sprag was used to secure the logging truck on the mountainous terrain.
- He struggled to remove the rusted sprag that had been left under the wheel of the old car for years.
- Before getting out, she inserted a sprag under the trailer wheel to prevent it from rolling away down the incline.