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Definition of Boom vang
1. Noun. (nautical) A line or piston system on a sailboat used to exert downward force on the boom and thus control the shape of the sail; a martingale ¹
¹ Source: wiktionary.com
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1. Noun. (nautical) A line or piston system on a sailboat used to exert downward force on the boom and thus control the shape of the sail; a martingale ¹
¹ Source: wiktionary.com