weir

1. n. Alt. of Wear Source: opted

2. n. a low dam built across a stream to raise its level or divert its flow Source: wordnet

3. n. a fence or wattle built across a stream to catch or retain fish Source: wordnet

4. 1. A dam in a river to stop and raise the water, for the purpose of conducting it to a mill, forming a fish pond, or the like. 2. A fence of stakes, brushwood, or the like, set in a stream, tideway, or inlet of the sea, for taking fish. 3. A long notch with a horizontal edge, as in the top of a vertical plate or plank, through which water flows, -- used in measuring the quantity of flowing water. Source: webster

5. n. a low dam built across a stream to raise its level or divert its flow n. a fence or wattle built across a stream to catch or retain fish Source: ecdict

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