The Collaborative International Dictionary of English v.0.48:

Tuckahoe \Tuck"a*hoe\, n. [North American Indian, bread.] (Bot.)
   A curious vegetable production of the Southern Atlantic
   United States, growing under ground like a truffle and often
   attaining immense size. The real nature is unknown. Called
   also Indian bread, and Indian loaf.
   [1913 Webster]

WordNet (r) 3.0 (2006):

tuckahoe
    n 1: perennial herb of the eastern United States having
         arrowhead-shaped leaves and an elongate pointed spathe and
         green berries [syn: green arrow arum, tuckahoe,
         Peltandra virginica]

U.S. Gazetteer Places (2000):

Tuckahoe, NY -- U.S. Census Designated Place in New York
   Population (2000):    1741
   Housing Units (2000): 1092
   Land area (2000):     5.062229 sq. miles (13.111113 sq. km)
   Water area (2000):    0.447929 sq. miles (1.160132 sq. km)
   Total area (2000):    5.510158 sq. miles (14.271245 sq. km)
   FIPS code:            75572
   Located within:       New York (NY), FIPS 36
   Location:             40.900340 N, 72.435816 W
   ZIP Codes (1990):     10707
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Tuckahoe, NY
    Tuckahoe


U.S. Gazetteer Places (2000):

Tuckahoe, NY -- U.S. village in New York
   Population (2000):    6211
   Housing Units (2000): 2729
   Land area (2000):     0.609590 sq. miles (1.578831 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.609590 sq. miles (1.578831 sq. km)
   FIPS code:            75583
   Located within:       New York (NY), FIPS 36
   Location:             40.953110 N, 73.823609 W
   ZIP Codes (1990):     10707
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Tuckahoe, NY
    Tuckahoe


U.S. Gazetteer Places (2000):

Tuckahoe, VA -- U.S. Census Designated Place in Virginia
   Population (2000):    43242
   Housing Units (2000): 18647
   Land area (2000):     20.565391 sq. miles (53.264115 sq. km)
   Water area (2000):    1.065088 sq. miles (2.758566 sq. km)
   Total area (2000):    21.630479 sq. miles (56.022681 sq. km)
   FIPS code:            79560
   Located within:       Virginia (VA), FIPS 51
   Location:             37.595896 N, 77.575937 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Tuckahoe, VA
    Tuckahoe