countersign

coun·ter·sign  (kountr-sn)

tr.v. coun·ter·signed, coun·ter·sign·ing, coun·ter·signs

To sign (a previously signed document), as for authentication.

n.

1. A second or confirming signature, as on a previously signed document. Also called countersignature.

2.

a. A sign or signal to be given to a sentry in order to obtain passage; a password.

b. A secret sign or signal given in answer to another.

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countersign

Verb

to sign (a document already signed by another) as confirmation

Noun

the signature so written

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A secret challenge and its reply. See also challenge; password.

Thesaurus

Noun	1.	countersign - a secret word or phrase known only to a restricted group; "he forgot the password" password, watchword, parole, word arcanum, secret - information known only to a special group; "the secret of Cajun cooking" positive identification - evidence proving that you are who you say you are; evidence establishing that you are among the group of people already known to the system; recognition by the system leads to acceptance; "a system for positive identification can prevent the use of a single identity by several people"
	2.	countersign - a second confirming signature endorsing a document already signed countersignature signature - your name written in your own handwriting
Verb	1.	countersign - add one's signature to after another's to attest authenticity; "You must countersign on this line of the contract" sign - be engaged by a written agreement; "He signed to play the casino on Dec. 18"; "The soprano signed to sing the new opera"

Translations

countersign [ˈkauntəsaɪn] vt → ratificar, refrendar

countersign [ˈkauntəsaɪn] vt → contresigner

countersign [ˈkauntəsaɪn] vt → gegenzeichnen

countersign [ˈkauntəsaɪn] vt → controfirmare