old term for Sulawesi or Celebes 蘇拉威西|苏拉威西[Su1 la1 wei1 xi1]
Definitions (Wiktionary)
name
(historical) Sultanate of Sulu (a Muslim state that ruled the islands in the Sulu Archipelago, parts of Mindanao in today's Philippines, certain portions of Palawan and north-eastern Borneo)