- A strap fastened to a horse's girth, passing between his
fore legs, and fastened to the bit, or now more commonly ending in two
rings, through which the reins pass. It is intended to hold down the
head of the horse, and prevent him from rearing. - A lower stay of rope or chain for the jib boom or flying
jib boom, fastened to, or reeved through, the dolphin striker. Also,
the dolphin striker itself. - The act of doubling, at each stake, that which has been
lost on the preceding stake; also, the sum so risked; -- metaphorically
derived from the bifurcation of the martingale of a harness.