Meaning of the word "lock down" in English

What does "lock down" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

lock down

US /ˈlɑkˌdaʊn/
UK /ˈlɒkˌdaʊn/

Noun

an emergency measure or state of isolation or restricted access instituted as a security measure

Example:
The prison was placed on lockdown after the riot.
The city went into a full lockdown to control the spread of the virus.

Phrasal Verb

to secure a building or area by restricting movement and access, typically in an emergency

Example:
Police had to lock down the entire neighborhood during the search.
The school decided to lock down all classrooms after a suspicious package was found.