WordNet (r) 3.0 (2006):

Vancouver
    n 1: English navigator remembered for his exploration of the
         Pacific coast of North America (1757-1798) [syn:
         Vancouver, George Vancouver]
    2: a town in southwestern Washington on the Columbia River
       across from Portland, Oregon
    3: a port city in southwestern British Columbia on an arm of the
       Pacific Ocean opposite Vancouver Island; Canada's chief
       Pacific port and third largest city

U.S. Gazetteer Places (2000):

Vancouver, WA -- U.S. city in Washington
   Population (2000):    143560
   Housing Units (2000): 60039
   Land area (2000):     42.793512 sq. miles (110.834683 sq. km)
   Water area (2000):    3.340665 sq. miles (8.652282 sq. km)
   Total area (2000):    46.134177 sq. miles (119.486965 sq. km)
   FIPS code:            74060
   Located within:       Washington (WA), FIPS 53
   Location:             45.633743 N, 122.603011 W
   ZIP Codes (1990):     98660 98661 98663 98664 98682 98686
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Vancouver, WA
    Vancouver