pampas \pam"pas\, 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., a south american wild cat felis
      pajeros. it has oblique transverse bands of yellow or
      brown. it is about three and a half feet long. called also
      straw cat.

   pampas deer zool., a small, reddish-brown, south american
      deer cervus campestris syn. blastocerus campestris.
      

   pampas grass bot., a very tall ornamental grass
      gynerium argenteum with a silvery-white silky panicle.
      it is a native of the pampas of south america.
      1913 webster
see also:
pampas cat felis pajeros straw cat pampas deer cervus campestris blastocerus campestris 
pampas grass gynerium argenteum