| Noun | 1. | Republic of Kiribati - an island republic in the west central Pacific just south of the equatorcountry, land, state - the territory occupied by a nation; "he returned to the land of his birth"; "he visited several European countries" Gilbert Islands - a group of islands in Micronesia southwest of Hawaii; formerly part of the British colony of Gilbert and Ellice Islands until it became part of the Republic of Kiribati in 1979 | |