noun
- a river in central Europe, flowing from the NE Czech Republic, N through SW Poland and along the border between Germany and Poland into the Baltic. 562 miles (905 km) long.
noun
- a river in central Europe, rising in the NE Czech Republic and flowing north and west, forming part of the border between Germany and Poland, to the Baltic. Length: 913 km (567 miles)Czech and Polish name: Odra