noun. A sprinkler; usually, a cup with a perforated lid, or a pipe with a perforated nozle, used for damping paper, clothes, etc.

noun. In brewing, a perforated cylinder, or a series of disks, for discharging hot water in a fine shower over grain falling into a mash-tub.

noun. A vessel with a perforated cover, for sprinkling with a liquid; a sprinkler.

noun. A vessel with a perforated cover for sprinkling a liquid.

"The common central vessel from which the sparge-arms radiate is mounted in such a manner that it rotates automatically when a stream of water is admitted, so that a constant fine spray covers the whole tun when the sparger is in operation."

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sprinkler