arroba

1. A unit of weight formerly used in Spanish-speaking countries, equal to about 11.3 kilograms (25 pounds).
2. A unit of weight formerly used in Portuguese-speaking countries, equal to about 14.4 kilograms (32 pounds).
3. A liquid measure formerly used in Spanish-speaking countries, having varying value but equal to about 16.2 liters (17 quarts) when used to measure wine.

Origin:

Origin: Spanish

Origin: and Portuguese

Origin: , both from Arabic ar-rub‘, the quarter (of a quintal)

Origin: : al-, the

Origin: + rub‘, quarter; see rbע in Semitic roots