outava

In Portugal and Brazil , units of capacity and of mass. Also spelled oitava (masculine, outavo, oitavo, respectively). The word means “eighth”.

1

In Portugal, a unit of dry capacity, an eighth of an alquiere of Lisbon, about 1.415 liter (about 1.50 U.S. liquid quarts).

A unit of mass, an eighth of an onça, about 3.586 grams.

In Brazil, the outava used for trade in precious stones was divided into 18 quilates.