"fireplug." YourDictionary, n.d. Web. 17 December 2018. <https://www.yourdictionary.com/fireplug>.
fireplug. (n.d.). Retrieved December 17th, 2018, from https://www.yourdictionary.com/fireplug
A fire hydrant.
fire + plug, referring to the system used prior to fire hydrants, in which a large plug was placed into a hole in the water main, then covered with a barrel. The plug was removed when water was needed.
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