Prince Edward Island

American Heritage® Dictionary of the English Language, Fourth Edition

1. A province of southeast Canada consisting of Prince Edward Island in the southern Gulf of St. Lawrence. It joined the confederacy in 1873. The island was discovered by Jacques Cartier in 1534 and named Île St. Jean by Samuel de Champlain in 1603. It was renamed in 1798 after Edward, Duke of Kent (1767-1820), the father of Queen Victoria. Charlottetown is the capital and the largest city. Population: 136,000.

Wiktionary

1. n. A province in eastern Canada which has Charlottetown as its capital.
2. n. An island in eastern Canada, which forms the majority of the eponymous province

WordNet 3.0

1. n. an island in the Gulf of Saint Lawrence; the smallest province of Canada