What is "wainaku"

Population (2000): 1227
Housing Units (2000): 453
Land area (2000): 1.315290 sq. miles (3.406586 sq. km)
Water area (2000): 0.092907 sq. miles (0.240628 sq. km)
Total area (2000): 1.408197 sq. miles (3.647214 sq. km)
FIPS code: 78950
Located within: Hawaii (HI), FIPS 15
Location: 19.747258 N, 155.100954 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: