The mouth of a river; the lower end of a water course; the open end of a drain, culvert, etc., where the discharge occurs.
A location where water is discharged. Normally used in reference to where a water treatment facility releases treated water into the environment.
(1) The vent of a river, drain, etc. (2) A structure extending into a body of water for the purpose of discharging sewage, storm runoff or cooling water.