What does "countersign" mean?
Countersign: The signature of a secretary or other officer to a writing signed by a principal or superior, to attest its authenticity.
Additional senses
- 2.(Mil.) A private signal, word, or phrase, which must be given in order to pass a sentry; a watchword.
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00