The Collaborative International Dictionary of English v.0.48:

Toco \To"co\, n. (Zool.)
   A toucan (Ramphastos toco) having a very large beak. See
   Illust. under Toucan.
   [1913 Webster]

U.S. Gazetteer Places (2000):

Toco, TX -- U.S. city in Texas
   Population (2000):    89
   Housing Units (2000): 35
   Land area (2000):     0.169946 sq. miles (0.440158 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.169946 sq. miles (0.440158 sq. km)
   FIPS code:            73196
   Located within:       Texas (TX), FIPS 48
   Location:             33.655250 N, 95.646152 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Toco, TX
    Toco