lockdown
/ˈlɒkdaʊn/Definitions
1. noun
A situation in which people are confined to their homes or a particular area, often due to a threat or emergency.
“The government imposed a nationwide lockdown to control the spread of the virus.”
2. noun
A period of time during which a computer system or network is closed or restricted for maintenance or security reasons.
“The company was experiencing a lockdown during the software update.”
3. verb
To confine or restrict someone or something to a particular area, often due to a threat or emergency.
“The police locked down the streets to prevent a riot.”
4. verb
To close or restrict access to a computer system or network for maintenance or security reasons.
“The IT department locked down the server for the software update.”