Martingale

Martingale can refer to:

• Martingale (probability theory), a stochastic process in which the conditional expectation of the next value, given the current and preceding values, is the current value
• Martingale (tack) for horses
• Martingale (collar) for dogs and other animals
• Martingale (betting system)
• a dolphin striker, a spar aboard a sailing ship
• In the sport of fencing, a martingale is a strap attached to the sword handle to prevent a sword from being dropped if disarmed.
• In the theatrical lighting industry, martingale is an obsolete term for a twofer, or occasionally a threefer.