lockdown

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English[edit]

Etymology[edit]

From lock +‎ down

Pronunciation[edit]

Noun[edit]

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Wikipedia

lockdown (plural lockdowns)

  1. (in an institution, such as a prison or school) The confinement of people in their own rooms (or cells) as a security measure after a disturbance
  2. (US) A contrivance to fasten logs together in rafting.