Krakatau: a tiny volcanic island in Indonesia between Java and Sumatra that saw the most destructive eruption in recorded history in 1883. The volcano's name is derived from Kalakala, a local language spoken on the island of Java where it caused devastation every time it erupted. 2. Krakatoa: another name for the same island. 3. Krahkanua: a name used by Native Americans for the island. 4. Kraskanoe: a surname derived from Krakatau. It is an East Slavic name now used primarily in Russia and Ukraine. 5. Kralik: a surname that may be derived from Krakatau. 6. Krakatoa: a city on the island of Java in Indonesia whose name is sometimes used as a synonym for the whole island. However, "Krakatoa" is also the name of the volcano that destroyed most of the city in 1883. 7. Krall: a surname that may be derived from Krakatau.