From WordNet (r) 3.0 (2006) [wn]:
western United States
n 1: the region of the United States lying to the west of the
Mississippi River [syn: West, western United States]
From WordNet (r) 3.0 (2006) [wn]:
western United States
n 1: the region of the United States lying to the west of the
Mississippi River [syn: West, western United States]