Definition of river run in English:

river run

noun

  • 1The route which a journey by river follows.

  • 2Specifically. A journey down a fast-flowing river in a small craft (as a raft, rubber dinghy, canoe, etc.), now usually for recreation.

  • 3Usually in form riverrun. The course which a river shapes and follows through the landscape.

Origin

Mid 19th century. From river + run.

Pronunciation

river run

/ˈrɪvə ˌrʌn/