What is "nissequogue"

Population (2000): 1543
Housing Units (2000): 570
Land area (2000): 3.773404 sq. miles (9.773071 sq. km)
Water area (2000): 0.195778 sq. miles (0.507062 sq. km)
Total area (2000): 3.969182 sq. miles (10.280133 sq. km)
FIPS code: 51286
Located within: New York (NY), FIPS 36
Location: 40.898586 N, 73.194727 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: