The Collaborative International Dictionary of English v.0.48:

Cooper \Coop"er\ (?; 277), n. [From Coop.]
   One who makes barrels, hogsheads, casks, etc.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Cooper \Coop"er\, v. t. [imp. & p. p. Coopered; p. pr. & vb.
   n. Coopering.]
   To do the work of a cooper upon; as, to cooper a cask or
   barrel.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Cooper
    n 1: United States industrialist who built the first American
         locomotive; founded Cooper Union in New York City to offer
         free courses in the arts and sciences (1791-1883) [syn:
         Cooper, Peter Cooper]
    2: United States film actor noted for his portrayals of strong
       silent heroes (1901-1961) [syn: Cooper, Gary Cooper,
       Frank Cooper]
    3: United States novelist noted for his stories of American
       Indians and the frontier life (1789-1851) [syn: Cooper,
       James Fenimore Cooper]
    4: a craftsman who makes or repairs wooden barrels or tubs [syn:
       cooper, barrel maker]
    v 1: make barrels and casks

U.S. Gazetteer Counties (2000):

Cooper -- U.S. County in Missouri
   Population (2000):    16670
   Housing Units (2000): 6676
   Land area (2000):     565.028378 sq. miles (1463.416719 sq. km)
   Water area (2000):    5.191873 sq. miles (13.446888 sq. km)
   Total area (2000):    570.220251 sq. miles (1476.863607 sq. km)
   Located within:       Missouri (MO), FIPS 29
   Location:             38.855280 N, 92.804980 W
   Headwords:
    Cooper
    Cooper, MO
    Cooper County
    Cooper County, MO


U.S. Gazetteer Places (2000):

Cooper, TX -- U.S. city in Texas
   Population (2000):    2150
   Housing Units (2000): 983
   Land area (2000):     1.438294 sq. miles (3.725163 sq. km)
   Water area (2000):    0.006886 sq. miles (0.017834 sq. km)
   Total area (2000):    1.445180 sq. miles (3.742997 sq. km)
   FIPS code:            16564
   Located within:       Texas (TX), FIPS 48
   Location:             33.372651 N, 95.689219 W
   ZIP Codes (1990):     75432
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Cooper, TX
    Cooper