onza

noun
on·​za | \ ˈȯnzə, -n(ˌ)sä, -n(ˌ)thä\
plural -s

Definition of onza

1 : an old Spanish gold doubloon
2 : a Mexican bullion coin denomination signifying its weight in silver, gold, or platinum also : a Mexican bullion coin of one onza

History and Etymology for onza

Spanish, literally, ounce, from Latin uncia ounce, twelfth part

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