Spillway

Pronunciation: /ˈspɪlˌweɪ/

Spillway (noun)

  1. A channel or opening in a dam that lets extra water flow out safely when the water level becomes too high.
  2. A designed passage for water to leave a reservoir or structure in a controlled way during heavy rain or flooding.

Examples

  • The spillway releases water from the dam into the river.
  • Engineers inspect the spillway to keep the dam safe.