›the act or process of ending the operations of a business, system, industry, etc. either temporarily or permanently: The partial government close-down is now in a record 20th day. → See alsoshutdown
›ACCOUNTINGthe act of ending the payment of invoices for a particular month or the date this happens, so that any invoices received after this date are not processed until the following month: Monthly close down of costs will usually occur at the end of each calendar month.Be aware that without forward planning the Christmas close-down period can delay payment by 28 days.