Word Meaning

Meaning of countersign

- 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.
- The signature of a secretary or other officer to a writing signed by a principal or superior, to attest its authenticity.
- A private signal, word, or phrase, which must be given in order to pass a sentry; a watchword.

Crossword clue for countersign

- Password