sprag. The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.

The American Heritage^® Dictionary of the English Language: Fourth Edition. 2000.

sprag

PRONUNCIATION:	sprg
NOUN:	1a. 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.
ETYMOLOGY:	Perhaps of Scandinavian origin.


The American Heritage^® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved.