Pronunciation: (pēl"kô-mä'yô), Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/pilcomayo.html on line 71 [key]
a river in S central South America, flowing SE from S Bolivia along the boundary between Paraguay and Argentina to the Paraguay River at Asunción. 1000 mi. (1610 km) long.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.