an island on the Strait of Singapore, off the S tip of the Malay Peninsula.
2.
an independent republic comprising this island and a few adjacent islets: member of the Commonwealth of Nations; formerly a British crown colony (1946–59) and member of the federation of Malaysia (1963–65). 220 sq. mi. (570 sq. km).
Capital: Singapore.
3.
a seaport in and the capital of this republic.