oitava

noun3

1. •
   (historical) A traditional Portuguese unit of mass, usually equivalent to 3.6 grams.
2. •
   (historical) A traditional Brazilian unit of weight, equivalent to 17.44 carats, typically used for gold and precious stones.
3. •
   (historical) A traditional Portuguese unit of dry measure, equivalent to 1.6–2.4 liters in different 19th-century contexts.