- ar|ro|ba
- ar|ro|ba «ahr ROH bah», noun.1. a unit of weight used in Spain, Portugal, and Latin America (25.36 pounds in Mexico; 32.38 pounds in Brazil).2. a Spanish liquid measure, varying in different places and according to the liquid.╂[< Spanish arroba < Arabic ar-rub the quarter (of a Spanish quintal)]
Useful english dictionary. 2012.