bridle(redirected from bridler)
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1. a headgear for a horse, etc., consisting of a series of buckled straps and a metal mouthpiece (bit) by which the animal is controlled through the reins
2. a Y-shaped cable, rope, or chain, used for holding, towing, etc
3. Machinery a device by which the motion of a component is limited, often in the form of a linkage or flange
A pumping unit cable that is looped over the horse head and then connected to the carrier bar; supports the polished-rod clamp.