The Collaborative International Dictionary of English v.0.48:

Cologne \Co*logne"\, n. [Originally made in Cologne, the French
   name of K["o]ln, a city in Germany.]
   A perfumed liquid, composed of alcohol and certain aromatic
   oils, used in the toilet; -- called also cologne water and
   eau de cologne.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Cologne
    n 1: a commercial center and river port in western Germany on
         the Rhine River; flourished during the 15th century as a
         member of the Hanseatic League [syn: Cologne, Koln]
    2: a perfumed liquid made of essential oils and alcohol [syn:
       cologne, cologne water, eau de cologne]

U.S. Gazetteer Places (2000):

Cologne, MN -- U.S. city in Minnesota
   Population (2000):    1012
   Housing Units (2000): 392
   Land area (2000):     0.753236 sq. miles (1.950873 sq. km)
   Water area (2000):    0.103759 sq. miles (0.268735 sq. km)
   Total area (2000):    0.856995 sq. miles (2.219608 sq. km)
   FIPS code:            12664
   Located within:       Minnesota (MN), FIPS 27
   Location:             44.770829 N, 93.782931 W
   ZIP Codes (1990):     55322
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Cologne, MN
    Cologne