drencher means one who, or that which, drenches. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From Middle English *drencher (found in the Surname Drencher), equivalent to drench + -er.
noun
- One who, or that which, drenches.
- 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.“A second system of conventional dry sprinkler heads is interspersed with the drencher heads.”