| 1. | Formerly, Welfare Island, Blackwells Island. an island in the East River, New York City: residential community. 1 1/2 mi. (2 1/2 km) long. |
| 2. | an island in Antarctica, in the W part of the Ross Ice Shelf: discovered 1934. ab. 90 mi. (145 km) long. |
Roosevelt Island
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