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Windows Media Audio, a digital audio file format created by Microsoft

Western Marble Arch, a synagogue in central London, England.

Weighted moving average, in technical analysis

Western Martial Arts, Western Martial Arts

World Medical Association (founded 1947), association of physicians

World Metal Alliance, (founded 1992) see Acronym Finder

World Music Awards

William Morris Agency (founded 1898), literary and entertainment agents

Wildlife Management Area

White Male Adult - commonly used in reports by United States law enforcement personnel.

Pearl Jam song from 1993's "Vs" album, meaning White Male American.

Western Martial Arts - the study of historical manuscripts to teach students the martial arts of Europe see Historical European martial arts