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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A weir that allows the escape of excess water from a canal or reservoir

from the GNU version of the Collaborative International Dictionary of English

  • n. An overfall, or weir, for the escape, or overflow, of superfluous water from a canal, reservoir, pond, or the like.

from The Century Dictionary and Cyclopedia

  • n. A cut made through the side of a canal, reservoir, etc., for carrying off surplus water.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a channel that carries excess water over or around a dam or other obstruction


Sorry, no etymologies found.


  • A dam 2,400 feet long and 80 feet in height, with tunnels, wasteweir, and accessory works would be required at Mountain View.

    The Passaic Flood of 1903

  • The situation is such that an ample wasteweir may be built at a low-side dam on the solid rock of Hook Mountain remote from the dam, and outlets may be had by tunneling the same ridge.

    The Passaic Flood of 1903


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