- an island in NW Hawaii, W of Kauai. 72 sq. mi. (186 sq. km).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for niihau
Kahoolawe, Lanai, and Niihau are much the smallest of the group.The Book of the National Parks
Robert Sterling Yard
They arrived first at Niihau, and from there they travelled through all the islands.
All fishermen, from Hawaii to Niihau, observed this custom religiously.
Lehua (verse 6) is the well-known bird-island, lying north of Niihau and visible from the Waimea side of Kauai.Unwritten Literature of Hawaii
Nathaniel Bright Emerson
He had learned to shoot as a wild-cattle hunter on Niihau, and on that island his skill as a marksman was unforgotten.The House of Pride