Bougainville
1 of 2biographical name
Bou·gain·ville ˈbü-gən-ˌvil 
bü-gaⁿ-ˈvēl
Louis-Antoine de 1729–1811 French navigator
Bougainville
2 of 2geographical name
Bou·gain·ville ˈbü-gən-ˌvil
ˈbō-,
ˈbu̇-
island in the South Pacific; largest of the Solomons; chief town Kieta area 3880 square miles (10,088 square kilometers)