(philately) Initialism of watermark. / Initialism of woman marine. / Initialism of walking mattress. / Initialism of white male. / (computing) Initialism of window manager.

Abbreviation of William. / Abbreviation of Westmorland.

plural of WM

Initialism of weapon of mass destruction.

Initialism of World Meteorological Organization.

Abbreviation of Westmünsterländisch.

(computing) Initialism of wireless markup language: an XML-based document description language for creating content and user interfaces targeted at narrow-band devices implementing WAP such as mobile telephones and pagers.

(computing) Initialism of Windows Media Format. / (Wiktionary and WMF jargon) Initialism of Wikimedia Foundation.

(computing) Initialism of Windows Metafile.

Initialism of Wi-Fi Multimedia. / Initialism of World Marathon Majors.