ˈbɹaɪdəl ˈbɹaɪdəl kɝb kɜːb respond to the reins, as of horses the act of restraining power or action or limiting excess his common sense is a bridle to his quick temper put a bridle on bridle horses anger or take offense She bridled at his suggestion to elope headgear for a horse; includes a headstall and bit and reins to give the rider or driver control