Definition of Bougainville in English:

Bougainville

proper noun

  • A volcanic island in the South Pacific, forming a province of Papua New Guinea. It is the largest of the islands in the Solomon Islands archipelago.

Origin

Named after Louis de Bougainville(see Bougainville, Louis Antoine de), who visited it in 1768.

Pronunciation:

Bougainville

/ˈbuːɡənvɪl/