noun: (electronics) Initialism of medium wave. [a radio wave with a frequency between 300 kHz and 3 MHz.]
noun: (electronics) Initialism of microwave. [An electromagnetic wave with wavelength between that of infrared light and radio waves.]
noun: (informal) Initialism of morning wood. [(informal) An erection of the penis upon waking up, usually unrelated to erotic thoughts or dreams.]
noun: (linguistics) Initialism of Merriam-Webster: an American publishing company known for its dictionaries; also M-W.
noun: (Wikimedia jargon) Initialism of MediaWiki. [(Wiktionary and WMF jargon) The wiki software used by many websites, including the Wikimedia projects such as Wikipedia, Wiktionary, etc.]
