noun Etymology: Spanish & Portuguese, from Arabic al-rub‘, literally, the quarter Date: 1555 an old Spanish unit of weight equal to about 25 pounds, an old Portuguese unit of weight equal to about 32 pounds
ARROBA
Meaning of ARROBA in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012