Definition of "Weir"

(countable) A surname.  examples

A village in Rossendale borough, Lancashire, England (OS grid ref SD8725).  examples

A town and municipality in Bharatpur District, Rajasthan, India.  examples

An unincorporated village in Montcalm, Les Laurentides Regional County Municipality, Quebec, Canada.  examples

A number of places in the United States:

1. A minor city in Cherokee County, Kansas.  examples

2. An unincorporated community in Muhlenberg County, Kentucky.  examples

3. A town in Choctaw County, Mississippi.  examples

4. A minor city in Williamson County, Texas.  examples

5. An unincorporated community in Kanawha County, West Virginia.  examples