Noun close down has 1 sense
  1. closure, closedown, closing, shutdown - termination of operations; "they regretted the closure of the day care center"
    --1 is a kind of termination, ending, conclusion
    --1 has particulars: plant closing; bank closing; layoff
    Derived form: verb close down1
,Verb close down has 1 sense
  1. close, fold, shut down, close down - cease to operate or cause to cease operating; "The owners decided to move and to close the factory"; "My business closes every night at 8 P.M."
    Derived form: noun closedown1
    Sample sentence:
    The business is going to close down
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