Coun`ter*sign" Countersigning.] [Counter- + sign: cf. F. contresigner.]

To sign on the opposite side of (an instrument or writing); hence, to sign in addition to the signature of a principal or superior, in order to attest the authenticity of a writing.


© Webster 1913.

Coun"ter*sign`, a.


The signature of a secretary or other officer to a writing signed by a principal or superior, to attest its authenticity.

2. Mil.

A private signal, word, or phrase, which must be given in order to pass a sentry; a watchword.


© Webster 1913.

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