sprag
9.9
A wedge placed under a wheel to keep a vehicle from rolling
- noun
- /spræɡ/
- Specialized
:
cuña
- The mechanic placed a sprag under the wheel to keep the cart from slipping.
Examples
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He forgot to remove the sprag before trying to move the wagon.
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Rail workers often used a sprag to secure mining trucks on steep tracks.
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A sprag is essential!
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The sprag is secure.
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The construction crew used a sprag under the heavy equipment to prevent it from moving.
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Before starting the engine, make sure to place a sprag behind the wheels for safety.
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To stabilize the old wagon, he inserted a sprag between the spokes of its wheels.
Synonyms
chock
vssprag
28
8.0
A block placed against a wheel to stop it rolling
uses a bar or insertion between spokes rather than a block against the wheel
How Secure
Surface Forms
Etymology
A helpful way to remember sprag is to imagine a short sprig or 'stick' jammed under a wheel to stop it moving. So a sprag is a wedge or chock that keeps a cart or machine from rolling.