ounce
US /aʊns/
UK /aʊns/

1.
onza
a unit of weight of 16 drams or 28.349 grams (avoirdupois) or 480 grains or 31.103 grams (troy)
:
•
The recipe calls for 8 ounces of flour.
La receta pide 8 onzas de harina.
•
He bought a small bag of gold, weighing just one ounce.
Compró una pequeña bolsa de oro, que pesaba solo una onza.