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.