arroba

Ar*ro"ba, n. Etym: [Sp. and Pg., from Ar. arrub, ar-rubu, a fourth part.] 1. A Spanish weight used in Mexico and South America = 25.36 lbs. avoir.; also, an old Portuguese weight, used in Brazil = 32.38 lbs. avoir. 2. A Spanish liquid measure for wine = 3.54 imp. gallons, and for oil = 2.78 imp. gallons.

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