|the part of Malaysia that is on the island of Borneo|
wing of the 13-state federation of Malaysia; it consists of the states of Sabah and Sarawak on the northern part of the island of Borneo and is separated from mainland Peninsular, or West, Malaysia on the Malay Peninsula by some 400 miles (640 km) of the South China Sea. Pop. (1991 prelim.) 3,385,119.
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