Meaning of Pilcomayo

Pil•co•ma•yo

Pronunciation: (pēl"kô-mä'yô), [key]
— n.
  1. 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.