- a member of an Indigenous people of central Chile and northern Argentina, living especially in the Araucania region.
- the language of the Araucanians, spoken in central Chile and northern Argentina.
- of or relating to the Araucanians or to their language.
- of or relating to the region of Araucania in Chile.
- a South American Indian language; thought to be an isolated branch of the Penutian phylum, spoken in Chile and W Argentina
- a member of the people who speak this language
- of or relating to this people or their language
