Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
- a system of pipes and attached nozzles carrying water or other extinguishing fluid throughout a building for protection against fire: it usually operates automatically when exposed to abnormal heat
- a system of pipes and nozzles, often underground, for watering a lawn, golf course, etc.also sprinkling system
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A fire-extinguishing system consisting of a network of overhead pipes that release water automatically when a predetermined temperature has been reached.