name: A male given name (common: 1 in 3030 males; popularity rank in the U.S.: #364)
noun: (philately) Initialism of watermark. [A translucent design impressed on the surface of paper and visible when the paper is held to the light.]
noun: Initialism of woman marine.
noun: Initialism of walking mattress. [(military, slang, derogatory, offensive) A female marine.]
noun: Initialism of white male.
noun: (computing) Initialism of window manager. [(graphical user interface) A piece of software that manages the layout of windows on the user's display.]