Paraguay River(redirected from Paraguay (river))
A river rising in southwest Brazil and flowing about 2,575 km (1,600 mi) southward along the Brazil-Paraguay border, through central Paraguay, and along the Paraguay-Argentina border to the Paraná River.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.