gray water

American  

noun

1. dirty water from sinks, showers, bathtubs, washing machines, and the like, that can be recycled, as for use in flushing toilets.

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Etymology

Origin of gray water

First recorded in 1975–80

Example Sentences

Theirs looked very like all the other boats, rising and falling in the gray water of the port.

From Literature

A chest-high wall of gray water swept into the house and lifted Natalie off her feet.

From Literature

For 19 days, we hauled potable drinking water from distribution sites, collected gray water and creek water for flushing, and carefully rationed every drop.

From Slate

She led a publicly funded program called Water L.A., which helped capture water at more than 130 sites from Panorama City to South L.A. through strategies including installing rain tanks and gray water systems, replacing asphalt with permeable paving, and converting streetside parkways into stormwater-catching basins with native plants.

From Los Angeles Times

It’s essentially about plumbing - specifically, the disposal of gray water.

From Washington Times