0 If a business or a large piece of equipment shuts down or someone shuts it down, it stops operating: --
1 if a computer or other machine shuts down or someone shuts it down, it stops operating: --
2 if someone shuts a process down, they stop it: --
We have shut the ivory trade down altogether.
British authorities finally shut down production at the Liverpool plant of the vaccine maker.
3 if a business or organization shuts down or someone shuts it down, it stops operating either temporarily or permanently: --
The government shut down yesterday in observance of the Martin Luther King Jr. holiday.
But now, we must consolidate and shut down plants.
All those sweet old-fashioned shops have shut down.
Three thousand people will lose their jobs if the factory shuts down.