slang. Obs. rare. [Of obscure origin.] The dupe in a betting game of bowls or the like. Also Vincents law, the art of cheating at bowls, etc.
1592. Greene, Conny-catching, II. B ij b. The Vincents Law is a common deceit or cosenage vsed in Bowling-allies, amongst the baser sort of people. Ibid., II. B iij. The vincent, that is the simple man that stands by, and not acquainted with their cosenage.