Wordnet 3.0
NOUN (1)
1.
a vast prairie region extending from Alberta and Saskatchewan and Manitoba in Canada south through the west central United States into Texas;
formerly inhabited by Native Americans;
[syn: Great Plains, Great Plains of North America]
WordNet (r) 3.0 (2006):
Great Plains of North America
n 1: a vast prairie region extending from Alberta and
Saskatchewan and Manitoba in Canada south through the west
central United States into Texas; formerly inhabited by
Native Americans [syn: Great Plains, Great Plains of
North America]