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fire hydrant

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noun
  1. a hydrant for use in extinguishing fires.
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Origin of fire hydrant

First recorded in 1940–45
Also called fireplug.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for fire hydrant

fire hydrant

noun
  1. a hydrant for use as an emergency supply for fighting fires, esp one in a streetAlso called (esp US and NZ): fireplug
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012