Definition of lockdown in English:

lockdown

Syllabification: lock·down
Pronunciation: /ˈläkˌdoun
 
/

noun

North American
1The confining of prisoners to their cells, typically after an escape or to regain control during a riot.
More example sentences
  • Administrators responded with an institution lockdown, confining all prisoners to their cells.
  • Furthermore, they are typically barred from areas where ministry is most needed: maximum security prisons, solitary confinement blocks, and twenty-three-hour lockdowns.
  • This final act of defiance precipitated a lockdown of the entire Texas state prison system.
1.1A state of isolation or restricted access instituted as a security measure: the university is on lockdown and nobody has been able to leave
More example sentences
  • Authorities responded by putting the entire city in lockdown.
  • Security officials then put the nuclear station on lockdown.
  • Harding High School, about two blocks east of the crime scene, was placed on lockdown for a short period in the morning.

Definition of lockdown in:

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Pronunciation: ˈgʌz(ə)l
verb
eat or drink (something) greedily