sprag
pronunciation
How to pronounce sprag in British English:
UK [spræg]
How to pronounce sprag in American English:
US [spræg]
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- Noun:
- a chock or bar wedged under a wheel or between the spokes to prevent a vehicle from rolling down an incline
- a wooden prop used to support the roof of a mine
Word Origin
- sprag (n.)
- "prop in a mine," 1841, of unknown origin. Transferred by 1878 to wood blocks, etc., used to brake motor vehicles. As a verb, from 1841. Related: Spragged; spragging.