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The inscription of one's name at the end of a writing, done by a secretary or a subordinate, to attest to the fact that such a writing has been signed by a principal or a superior, thereby vouching for the genuineness of the signature. To write one's name at the end of a document—in addition to the inscription of a name by another—to attest to the authenticity of the signature.


to sign (a document already signed by another).

COUNTERSIGN. To countersign is to sign on the opposite side of an instrument already signed by some other person or officer, in order to secure its character of a genuine paper; as a bank note is signed by the president and countersigned by the cashier.

References in periodicals archive ?
Francis Laird, prosecuting, said that between September and December last year Laidlaw conned bosses into countersigning more than a dozen cheques for cash, supposedly to buy office equipment, worth pounds 1,204.
Before moving to Hawaii in March, Dove spent four years working for a similar program as the project manager and countersigning agent for the Texas Workers Compensation Insurance Fund.
Regulatory constraints (prescribing, supervision, and countersigning).
The standing order amendments require a standing order to specify whether countersigning of a charted treatment is required and, if so, the requirements for countersigning.