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  • noun

Synonyms for sprag

a chock or bar wedged under a wheel or between the spokes to prevent a vehicle from rolling down an incline

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a wooden prop used to support the roof of a mine


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References in periodicals archive ?
They couldn't reengage the sprag clutch and had to land as soon as possible.
The engine and regenerative 60-kW (peak) electric drive unit drive through the GM transmission, and are separated by an over-running sprag clutch.
As a group, the Grizzlys offer rugged good looks, excellent ground clearance, good hauling and towing capacity, and a transmission with Yamaha's exclusive sprag clutch.
Helicopters were in their infancy and Zlotek was quick to react by modifying automotive sprag clutch designs for improved functionality in a helicopter drivetrain.