/ Dictionary / Index M Macao: Meaning and Definition of Find definitions for: Ma•cao Pronunciation: (mu-kou'), [key] — n. a Portuguese overseas territory in S China, in the delta of the Zhu Jiang River and including two small adjacent islands. 280,000; 6 sq. mi. (16 sq. km). the seaport and capital of this territory. Portuguese, Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: macao (Thesaurus) Macanese Macapá Related Content Daily Word Quiz: overture Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language