n. 25B6; noun a horse's bridle : HARNESS, headgear.
25B6; verb
she bridled at his tone : BRISTLE, take offence, take umbrage, be affronted, be offended, get angry.
he bridled his indignation : CURB, restrain, hold back, control, check, rein in/back; suppress, stifle; informal keep a/the lid on.