
1) Australian musical duo 2) Body of water 3) River in England
Found on
https://www.crosswordclues.com/clue/winterbourne
[Orange Park, Florida] Winterbourne (also known as the John Ferguson House) is a historic home in Orange Park, Florida. It is located at 2104 Winterbourne Street West, on the St. Johns River. On February 23, 1996, it was added to the U.S. National Register of Historic Places. ...
Found on
http://en.wikipedia.org/wiki/Winterbourne_(Orange_Park,_Florida)
[stream] A winterbourne is a stream or river that is dry through the summer months. A winterbourne is sometimes simply called a bourne, from the Anglo-Saxon word for a stream flowing from a spring, although this term can also be used for all-year water courses. Winterbournes generally form in areas where there is chalk (or other porous rock...
Found on
http://en.wikipedia.org/wiki/Winterbourne_(stream)

intermittent spring of water
Found on
http://phrontistery.info/w.html
No exact match found.