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

• rainchecks
• rain-cloud
• rain-clouds
• raincoat
• raincoats
• rain dance
• rain dances
• raindate
• raindates
• rain-doctor
• rain-doctors
• raindrop
• raindrops
• raine
• rained
• rained off
• rainfall
• rainfalls
• rainforest
• rainforests
• rain gauge
• rain gauges
• rainier
• rainiest
• rain in