outlet

A vent or similar passage to allow the escape of something.

Something which allows for the release of one's desires.

Jamie found doing martial arts was a great outlet for her stress.

Song of the bleeding throat, / Death’s outlet song of life, (for well dear brother I know, / If thou wast not granted to sing thou would’st surely die.)

A river that runs out of a lake.

A shop that sells the products of a particular manufacturer or supplier.

A wall-mounted socket connected to an electrical power supply, at which current can be taken to run electrical devices.

I had to move the cupboard to get to the power outlet.