drencher

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English

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Etymology

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From Middle English *drencher (found in the Surname Drencher), equivalent to drench +‎ -er.

Noun

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drencher (plural drenchers)

  1. One who, or that which, drenches.
  2. A fire prevention device, like a sprinkler but ejecting a denser curtain of water and sometimes mounted on the outside of a building to prevent the spread of fire from those nearby.
    • 2008, John Ridley, John Channing, Safety at Work, page 675:
      A second system of conventional dry sprinkler heads is interspersed with the drencher heads.
    • 1950, Great Britain. Ministry of Public Building and Works, Post-war Building Studies (issues 28-31, page 14)
      The drencher supply should also be separate from the sprinkler supply.