- a paper money and monetary unit of Paraguay, equal to 100 centimos.
- a member of an Indian people now living principally in Paraguay.
- a language belonging to the Tupi-Guarani family of languages and spoken by the Guarani Indians: the chief vernacular of Paraguay.
- a member of a South American Indian people of Paraguay, S Brazil, and Bolivia
- the language of this people, belonging to the Tupi-Guarani family; one of the official languages of Paraguay, along with Spanish
- the standard monetary unit of Paraguay, divided into 100 céntimos