Coun″ter‐sign′, a. 1. 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's Dictionary 1913
Coun″ter‐sign′, a. 1. 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.