[f. BIT v. + -ING1.] The putting of the bit in a horse’s mouth.

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1611.  Cotgr., Embouchement … the bitting, or bridling of a horse.

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1833.  Regul. Instr. Cavalry, I. 83. On first bitting, the bridoon is to be used.

3

  Comb. bitting-rigging (Saddlery), a bridle, surcingle, back-strap, and a crupper placed on young horses to give them a good bearing. (Knight.)

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