sprag


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sprag

 (sprăg)
n.
1.
a. A piece of wood or metal wedged beneath a wheel or between spokes to keep a vehicle from rolling.
b. A pointed stake lowered at an angle into the ground from a vehicle to prevent movement.
2. A prop to support a mine roof.

[Perhaps of Scandinavian origin.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

sprag

(spræɡ)
n
1. (Automotive Engineering) a chock or steel bar used to prevent a vehicle from running backwards on an incline
2. (Mining & Quarrying) a support or post used in mining
3. (Mining & Quarrying) mining NZ a steel bar inserted into the wheels of a box to act as a brake
[C19: of uncertain origin]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sprag

(spræg)

n.
a pole hinged to a rear axle, as of a cart, in such a way that it can act as a brace against rolling downhill.
[1835–45; of uncertain orig.]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

sprag

- A block placed behind a car wheel to keep it from rolling down a hill.
See also related terms for rolling.
Farlex Trivia Dictionary. © 2012 Farlex, Inc. All rights reserved.

sprag

A projection preventing the movement of platforms or pallets in the side guidance rails in an aircraft cabin.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sprag - a chock or bar wedged under a wheel or between the spokes to prevent a vehicle from rolling down an incline
chock, wedge - a block of wood used to prevent the sliding or rolling of a heavy object
2.sprag - a wooden prop used to support the roof of a mine
prop - a support placed beneath or against something to keep it from shaking or falling
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
References in periodicals archive ?
Roller and Sprag OWC were used in automatic transmissions.
Figure 1 shows a manufacturers cut-out view of a complete sprag clutch, while Figure 2 gives a simplified schematic of its basic components.
All CSK clutches feature Formchrome sprags with chromium infused steel that produces an ultra-hard, long-wearing surface and provides extra long life, maximum wear resistance and lower maintenance costs.
They couldn't reengage the sprag clutch and had to land as soon as possible.
One player to be watched with interest is the former Academy back Warren Sprag, who was picked for the Combined Counties summer tour after playing for Lancashire in the Championship.
Our Engineering experience continually expands our design features which include: no back lash, Sprag and Ramp/Roller Technology, Free-Action retainers, PCE sprag design, Formchrome sprags, Centrifugal Lift-Off designs and operational cost savings with rebuilding capability designed into clutches.
According to Van der Graaf project manager Rick Zander, a sprag clutch normally keeps the loaded belt from back-driving the reversible motor.
The engine and regenerative 60-kW (peak) electric drive unit drive through the GM transmission, and are separated by an over-running sprag clutch.
WELL COVERED: Saracens' Brett Sprag is well marshalled by the Bath defence
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.