Naut. [Commonly believed to be a corruption of Sp. bareca or barrica; cf. BARECA, BARRICO.] A small keg or cask.

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1833.  Marryat, P. Simple, xxxiii. A breaker or two (that is, small casks holding about seven gallons each) of water was put into each boat. Ibid. (1835), Jac. Faithf., xx. The purser sent a breaker of spirits on shore.

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1875.  Bedford, Sailor’s Pocket Bk., vi. (ed. 2), 227. They will be found very useful for carrying both provisions and water, and stow better than breakers.

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