Definition of "waterlines" [waterlines]

• Plural form of waterline. (noun)

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• "Projects to build utility infrastructure, such as waterlines and sewerlines, typically are paid for with bonds."
• "After sufficient cooling was achieved in each fifty-foot block, its waterlines were filled with pressurized grout and the slot concreted to the top of that level, like a zipper slowly being pulled closed."
• "Hubs was worried that the quake might heave the ground somewhat and he was concerned about the waterlines and the wells, but everything's fine."