Dalles

Dalles (dălz) noun plural [ French dalle a tube, gutter, trough.] A rapid, esp. one where the channel is narrowed between rock walls. [ Northwestern U. S. & Canada] « The place below, where the compressed river wound like a silver thread among the flat black rocks, was the far-famed ...
Found on http://www.encyclo.co.uk/webster/D/3

Dalles

• (n. pl.) A rapid, esp. one where the channel is narrowed between rock walls.
Found on http://thinkexist.com/dictionary/meaning/dalles/
No exact match found