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Definition of arinos
arinos
/əˈriːnoʊs/
A · ri · nos
arinos Lexical Profile
CEFR
C2
Grade
11
Tier
3
Usage
Rare
• noun
1
American A significant river in the state of Mato Grosso, Brazil, which flows northwest to join the Juruena River.
Example
"The indigenous peoples of Mato Grosso have historically relied on the Arinos River for fishing and transportation."
2
American A municipality located in the state of Minas Gerais in southeastern Brazil.
Example
"Researchers traveled to Arinos to study the unique agricultural practices of the Minas Gerais region."
• Rhymes for arinos
• Nearby Words
Word Origin & Etymology
Derived from the Portuguese proper names for geographical locations in Brazil, likely of indigenous Tupi linguistic origin.
Cite this Entry
Wordmom. (2026). Definition of Arinos. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/arinos