The Collaborative International Dictionary of English v.0.48:

Oliver \Ol"i*ver\, n.
   1. [OF. oliviere.] An olive grove. [Obs.] --Chaucer.
      [1913 Webster]

   2. [F. olivier.] An olive tree. [Obs.] --Chaucer.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Oliver \Ol"i*ver\, n.
   A small tilt hammer, worked by the foot.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Oliver
    n 1: United States jazz musician who influenced the style of
         Louis Armstrong (1885-1938) [syn: Oliver, Joseph
         Oliver, King Oliver]

U.S. Gazetteer Counties (2000):

Oliver -- U.S. County in North Dakota
   Population (2000):    2065
   Housing Units (2000): 903
   Land area (2000):     723.521638 sq. miles (1873.912360 sq. km)
   Water area (2000):    7.671076 sq. miles (19.867996 sq. km)
   Total area (2000):    731.192714 sq. miles (1893.780356 sq. km)
   Located within:       North Dakota (ND), FIPS 38
   Location:             47.135403 N, 101.391984 W
   Headwords:
    Oliver
    Oliver, ND
    Oliver County
    Oliver County, ND


U.S. Gazetteer Places (2000):

Oliver, WI -- U.S. village in Wisconsin
   Population (2000):    358
   Housing Units (2000): 128
   Land area (2000):     2.046609 sq. miles (5.300694 sq. km)
   Water area (2000):    0.017083 sq. miles (0.044246 sq. km)
   Total area (2000):    2.063692 sq. miles (5.344940 sq. km)
   FIPS code:            59800
   Located within:       Wisconsin (WI), FIPS 55
   Location:             46.657291 N, 92.192319 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Oliver, WI
    Oliver


U.S. Gazetteer Places (2000):

Oliver, GA -- U.S. city in Georgia
   Population (2000):    253
   Housing Units (2000): 118
   Land area (2000):     0.938340 sq. miles (2.430289 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.938340 sq. miles (2.430289 sq. km)
   FIPS code:            58100
   Located within:       Georgia (GA), FIPS 13
   Location:             32.522176 N, 81.532458 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Oliver, GA
    Oliver


U.S. Gazetteer Places (2000):

Oliver, PA -- U.S. Census Designated Place in Pennsylvania
   Population (2000):    2925
   Housing Units (2000): 1375
   Land area (2000):     2.209047 sq. miles (5.721404 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    2.209047 sq. miles (5.721404 sq. km)
   FIPS code:            56704
   Located within:       Pennsylvania (PA), FIPS 42
   Location:             39.914359 N, 79.717139 W
   ZIP Codes (1990):     15472
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Oliver, PA
    Oliver