the world > food and drink > farming > animal husbandry > keeping or management of horses > horse-gear > [verb (transitive)] > insert or remove bit (6)
transitive. To put a snaffle on (a horse, etc.); to restrain or guide with a snaffle. Frequently figurative.
transitive. To free (a horse) from the bit. Also absol.
trans. To furnish with a bit, to put the bit into the mouth of (a horse); to accustom to the bit.
To stop the mouth of (an animal) with or as with a gag.
transitive. To apply a barnacle to (a horse).