sprag Hear it!

sprag definition

sprag (sprag)

noun

  1. a roof prop used in a coal mine
  2. ☆ a device for preventing a vehicle from rolling backward on a grade

Etymology: prob. < Scand, as in Dan sprag, twig < base of sprage, to crack, crackle: for IE base see spark

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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