noun (used with a plural verb)
- a group of 15 small islands in the Pacific, E of the Philippines: divided into Guam, a possession of the U.S., and the North Marianas, formally under U.S. trusteeship. 453 sq. mi. (1127 sq. km).
- the former name (1521–1668) of the Mariana Islands
- a chain of volcanic and coral islands in the W Pacific, east of the Philippines and north of New Guinea: divided politically into Guam (a US unincorporated territory) and the islands north of Guam constituting the Northern Mariana Islands (a US commonwealth territory). Area: 1018 sq km (393 sq miles)Former name (1521–1668): Ladrone Islands