Nouns

(n)bridleheadgear for a horse; includes a headstall and bit and reins to give the rider or driver control
(n)bridle, check, curbthe act of restraining power or action or limiting excess“his common sense is a bridle to his quick temper”

Verbs

(v)bridleanger or take offense“She bridled at his suggestion to elope”
(v)bridleput a bridle on“bridle horses”
(v)bridlerespond to the reins, as of horses