Christmas Island

Christmas Island noun

1. an Australian island in the Indian Ocean, about 190 miles (300 km) S of Java. 52 sq. mi. (135 sq. km).
2. one of the Line Islands, in Kiribati (Gilbert Islands), in the central Pacific; sovereignty disputed by U.S.: largest atoll in the Pacific; former U.S. test center for nuclear warheads. About 220 sq. mi. (575 sq. km).

British Dictionary definitions for christmas island Christmas Island noun

1. the former name (until 1981) of Kiritimati
2. an island in the Indian Ocean, south of Java: administered by Singapore (1900–58), now by Australia; phosphate mining. Pop: 1496 (2013 est). Area: 135 sq km (52 sq miles)