COUNTERSIGN

countersign

Noun

  1. a second signature added to a document to affirm the validity of the signature of the first person
  2. The response to a sign or signal.
    Only those who give the countersign may enter the Masonic Lodge.

Verb

  1. To sign on the opposite side of (an instrument or writing).
  2. to add a second signature to a document, affirming the validity of the signature of another person


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