1. Abbr. HI A state of the United States in the central Pacific Ocean including all of the Hawaiian Islands except Midway. It became a US territory in 1900 and was admitted as the 50th state in 1959. The islands were conquered and united by King Kamehameha I between 1795-1810, and the last Hawaiian monarch, Queen Liliuokalani, was deposed in 1893. Honolulu, on Oahu, is the capital and the largest city.

2. Popularly called The Big Island. The largest and southernmost of the Hawaiian Islands. It is the top of an enormous submarine mountain and has several volcanic peaks.