https://en.wiktionary.org/wiki/defenestration https://en.wiktionary.org/wiki/defenestration The act of throwing something or someone out of a window. [from c.

https://en.wiktionary.org/wiki/defenestration https://en.wiktionary.org/wiki/defenestration The act of throwing something or someone out of a window. [from c. 17th c.] (Britain) The high-profile removal of a person from an organization. (computing, humorous) The act of removing the Microsoft Windows operating system from a computer in order to install an alternative one.