ミルMeanings1nounmil-réishistorical termusually written using kana aloneHistorical term for a former monetary unit of Brazil. Used in contexts discussing old Brazilian currency.19世せい紀きのブラジルでは、ミルが通つう貨か単たん位いとして使つかわれていた。In 19th-century Brazil, the mil-réis was used as a monetary unit.