arroba

Definition from Wiktionary, a free dictionary

[edit] Spanish

Wikipedia ^es

[edit] Etymology

From Arabic الربع (ar-rub), “‘one fourth’”), being equal to one fourth of a quintal.

[edit] Noun

arroba f. (plural arrobas)

1. An ancient unit of measure of weight or volume, still used in some contexts in Spain, Portugal and Latin America. The exact amount varies by country, region and the substance being measured, being e.g. abt 11.5 kg in most of Spain but 16.3 kg in Aragon, 13 kg as measure of oranges in Valencia and 16.1 liters as measure of wine.
2. The ‘@’ symbol, used to signify this unit.