martingale /märˈtin-gāl/

1. A strap passing between a horse's forelegs, fastened to the girth and to the bit, noseband or reins, to keep its head down
2. A short spar under the bowsprit (nautical)
3. (in gambling) the policy of doubling the stake on losing

• Five Points
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• fives-and-threes
• five senses
• five-square
• five-stones
• fix
• fixable
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• fixates
• fixating
• fixation
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• fixature
• fixatures
• fixed
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• fixed capital
• fixed charges