(wir) noun
1. An obstruction placed in a stream to raise the water, divert it into a millrace or irrigation ditches, or form a fish pond; a dam.
2. A series of wattled enclosures in a stream, to catch fish. [OE wer <werian dam up]

(wir), Robert Walter,
1803–89, and his sons, John Ferguson,
1841–1926, and Julian Alden,
1852–1919, U. S. painters.