island in SE N.Y. between Long Island Sound & the Atlantic: 1,411 sq mi (3,654 sq km)
Origin:
descriptive
See Long Island in American Heritage Dictionary 4
Abbr. L.I.
A long, narrow island of southeast New York bordered on the south by the Atlantic Ocean. Long Island Sound, an arm of the Atlantic, separates it from Connecticut on the north. The western part of Long Island includes two boroughs of New York City.