martingale
/mɑːrtɪnˈɡɑːl/Definitions
1. noun
a strap or band that is passed under the chin and attached to the bridle or harness of a horse, used to control the horse’s head or to keep the bit in place.
“The rider used a martingale to keep the horse’s head in line during the competition.”
2. noun
a betting system in which the stake is doubled on each successive loss, in the hope of recovering previous losses.
“The gambler’s martingale strategy eventually led to a significant financial loss.”
3. noun
a statistical technique used in probability theory to analyze and model random processes.
“The mathematician used martingale theory to understand the behavior of a complex financial system.”
4. verb
to control or restrain (a horse’s head or movement) using a martingale.
“The rider martingaled the horse to prevent it from bolting.”