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

• chapeaux
• chapeaux-bras
• chapel
• chapel cart
• chapeless
• chapelle ardente
• chapel master
• chapel masters
• chapel of ease
• chapelries
• chapel royal
• chapelry
• chapels
• chaperon
• chaperonage
• chaperonages
• chaperone
• chaperoned
• chaperones
• chaperoning
• chaperons
• chapes
• chapess
• chapesses
• chapfallen