/ Dictionary / Index N North Mariana Islands: Meaning and Definition of Find definitions for: North' Maria'na Is'lands Pronunciation: [key] a group of islands in the W Pacific Ocean, N of Guam: formerly a part of the Trust Territory of the Pacific Islands; since 1986 a commonwealth associated with the U.S. 18,400. 184 sq. mi. (477 sq. km).Cap.:Saipan. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Northman North Massapequa Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language