1) European watercourse 2) European river 3) European waterway 4) German watercourse 5) German river 6) German waterway 7) River in germany 8) River in Europe 9) Watercourse in Germany 10) Waterway in Germany 11) Watercourse in Europe 12) Waterway in Europe 
• (n.) See Ocher.
O'ker noun (Min.) See Ocher .