[f. BIT v. + -ING1.] The putting of the bit in a horses mouth.
1611. Cotgr., Embouchement the bitting, or bridling of a horse.
1833. Regul. Instr. Cavalry, I. 83. On first bitting, the bridoon is to be used.
Comb. bitting-rigging (Saddlery), a bridle, surcingle, back-strap, and a crupper placed on young horses to give them a good bearing. (Knight.)