strath
noun
ˈstrath 
: a flat wide river valley or the low-lying grassland along it
Example Sentences
Recent Examples on the Web Callan Bentley has a nice diagram explaining difference between a fill terrace and a strath terrace. 
Brian Romans, WIRED, 26 May 2010
Brian Romans, WIRED, 26 May 2010 Word History
Etymology
Scottish Gaelic srath
First Known Use
1508, in the meaning defined above
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