Bridle meaning : The headgear with which a horse is directed and which carries a bit and reins. A restraint; a curb; a check. A length of line or cable attached to two parts of something to spread the force of a pull, as the rigging on a kite for attaching line. A mooring hawser. A piece in the interior of a gunlock which holds in place the tumbler, sear, etc. A gesture expressing pride or vanity. To put a bridle on. To check, restrain, or control with, or as if with, a bridle; as in bridle your tongue. To show hostility or resentment. To hold up one's head proudly or affectedly.