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Encyclopedic overview
Martingale may 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), in 18th century France 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 Martingale (clothing), a strap controlling the fullness of the clothing material.
See also: Martin Gale, English-Irish artist
Excerpted from Wikipedia’s “Martingale” article, available under the CC BY-SA 4.0 licence.