from The American Heritage® Dictionary of the English Language, 4th Edition
- A vast plain of south-central South America extending for about 1,610 km (1,000 mi) from the lower Paraná River to south-central Argentina southwest of Buenos Aires.
from the GNU version of the Collaborative International Dictionary of English
- n.pl. Vast grass-covered plains in the central and southern part of the Argentine Republic in South America. The term is sometimes used in a wider sense for the plains east of the Andes extending from Bolivia to Southern Patagonia.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the vast grassy plains of northern Argentina
Sorry, no etymologies found.