WordReference Random House Unabridged Dictionary of American English © 2017
cheek•piece  (chēkpēs′),USA pronunciation n. 
  1. either of two vertical bars of a bit, one on each end of the mouthpiece. See illus. under  snaffle. 
  2. See  cheek strap. 
  • cheek + piece 1750–60

'cheekpiece' also found in these entries:

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