[ hahy-druh nt ]
/ ˈhaɪ drənt /


an upright pipe with a spout, nozzle, or other outlet, usually in the street, for drawing water from a main or service pipe, especially for fighting fires.
a water faucet.


Nearby words

  1. hydragogue,
  2. hydralazine,
  3. hydramine,
  4. hydranencephaly,
  5. hydrangea,
  6. hydranth,
  7. hydrarch,
  8. hydrargillite,
  9. hydrargyria,
  10. hydrargyrism

Origin of hydrant

An Americanism dating back to 1800–10; hydr-1 + -ant

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hydrant

British Dictionary definitions for hydrant


/ (ˈhaɪdrənt) /


an outlet from a water main, usually consisting of an upright pipe with a valve attached, from which water can be tapped for fighting firesSee also fire hydrant

Word Origin for hydrant

C19: from hydro- + -ant

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

Word Origin and History for hydrant



1806, a hybrid coined in American English from Greek hydr-, stem of hydor "water" (see water (n.1)) + -ant.

Online Etymology Dictionary, © 2010 Douglas Harper