Definition of sprag in English:

sprag

Syllabification: sprag
Pronunciation: /sprag
 
/

noun

  • 1A simple brake on a vehicle, especially a stout stick or bar inserted between the spokes of a wheel to check its motion.
  • 1.1A one-way clutch that keeps a vehicle from rolling backwards.
  • 2 Mining A prop used to support a roof, wall, or seam.

Origin

mid 19th cent: of unknown origin.

More definitions of sprag

Definition of sprag in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day mage
Pronunciation: meɪdʒ
noun
a magician or learned person