The Collaborative International Dictionary of English v.0.48:

Conger \Con"ger\, n. [L. conger, congrus, akin to Gr. ?: cf. F.
   congre.] (Zool.)
   The conger eel; -- called also congeree.
   [1913 Webster]

   Conger sea (Zool.), the sea eel; a large species of eel
      (Conger vulgaris), which sometimes grows to the length
      of ten feet.
      [1913 Webster]

WordNet (r) 3.0 (2006):

conger
    n 1: large dark-colored scaleless marine eel found in temperate
         and tropical coastal waters; some used for food [syn:
         conger, conger eel]

U.S. Gazetteer Places (2000):

Conger, MN -- U.S. city in Minnesota
   Population (2000):    133
   Housing Units (2000): 62
   Land area (2000):     0.117386 sq. miles (0.304028 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.117386 sq. miles (0.304028 sq. km)
   FIPS code:            12952
   Located within:       Minnesota (MN), FIPS 27
   Location:             43.614567 N, 93.529932 W
   ZIP Codes (1990):     56020
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Conger, MN
    Conger