Meaning of sprinkler system

sprin'kler sys"tem

Pronunciation: [key]
  1. apparatus for automatically extinguishing fires in a building, consisting of a system of water pipes in or below the ceilings, with valves or sprinklers usually made to open automatically at a certain temperature.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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