n. pl. [ Sp., fr. Peruv. pampa a field, plain. ] 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. [ 1913 Webster ]
Pampas cat (Zool.),
Pampas deer (Zool.),
Pampas grass (Bot.),