Tu·pí 
(t-pē) or Tu·pi (tpē, t-pē)
(t-pē) or Tu·pi (tpē, t-pē)n. pl. Tupí or Tu·pís also Tupi or Tu·pis
1. A member of any of a group of South American Indian peoples living along the coast of Brazil, in the Amazon River valley, and in Paraguay.
2. The Tupian language of the Tupí.