Definitions
1.nounA piece of harness used on a horse to keep it from raising its head above a desired point.
2.nounA spar, or piece of rigging that strengthens the bowsprit.
3.nounA stochastic process for which the conditional expectation of future values given the sequence of all prior values is equal to the current value."If a gambler plays a fair game repeatedly, his payoff over time is a martingale."
4.nounA gambling strategy in which one doubles the stake after each loss.
5.nounA strap attached to the sword handle, preventing a sword being dropped if disarmed.