a state of NE Brazil, on the Atlantic: rises to a semiarid plateau, with the more humid Paranaíba valley in the west. Capital: Teresina. Pop: 2 898 223 (2002). Area: 250 934 sq km (96 886 sq miles)
WordReference Random House Unabridged Dictionary of American English © 2026
Piau•í
(pyou ē′),USA pronunciation n.
- Place Namesa state in NE Brazil. 2,188,148;
96,860 sq. mi. (250,870 sq. km). Cap.: Teresina.
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