Countersign

noun, verb

Definitions

Noun
  1. 1
    A second signature added to a document to affirm the validity of the signature of the first person.
  2. 2
    a second confirming signature endorsing a document already signed wordnet
  3. 3
    The response to a sign or signal.

    "Only those who give the countersign may enter the Masonic Lodge."

  4. 4
    a secret word or phrase known only to a restricted group wordnet
Verb
  1. 1
    To sign on the opposite side of (a document). transitive
  2. 2
    add one's signature to after another's to attest authenticity wordnet
  3. 3
    To add a second signature to a document, affirming the validity of the signature of another person. broadly, transitive

Etymology

Etymology 1

From Middle French contresigne. Equivalent to counter- + sign.

Etymology 2

From Middle French contresigne. Equivalent to counter- + sign.

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