DictionaryAI

lockdown

noun
SayLOK-down/ˈlɑkˌdaʊn/UK/ˈlɒkˌdaʊn/

Plurallockdowns

2 meanings of lockdown

Practice

  1. 1
    nouncountable or uncountable
    A time when people must stay inside their homes, rooms, or buildings to keep everyone safe.

    The school went into lockdown when the alarm sounded.

    During lockdown, we could only leave home to buy food or see a doctor.

    Similarconfinement, quarantine, curfew, shutdown

    Note
  2. 2
    nounUScountable
    A device used to hold logs together so they can float as a raft.

    He hammered a lockdown into the cross pole so the raft logs could not drift apart.

    The raft broke apart in the fast water after two lockdowns snapped.

    Note

Practice

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Origin

It comes from the verb phrase "lock down."