St. Helena: Meaning and Definition of

St. He•le•na

1. a British island in the S Atlantic: Napoleon's place of exile 1815–21. 5147; 47 sq. mi (122 sq. km).
2. a British colony comprising this island, Ascension Island, and the Tristan da Cunha group. 5147; 126 sq. mi. (326 sq. km). Cap.: Jamestown.