Oxford Dictionary English

    blank cheque

    noun
    noun
    BrE BrE//ˌblæŋk ˈtʃek//
    ; NAmE NAmE//ˌblæŋk ˈtʃek//
    (British English) (North American English blank check)
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  1. 1a cheque that is signed but which does not have the amount of money to be paid written on it
  2. 2permission or authority to do something that is necessary in a particular situation The President was given a blank check by Congress to continue the war.
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