Overview of noun countersign

The noun countersign has 2 senses

• password, watchword, word, parole, countersign -- (a secret word or phrase known only to a restricted group; "he forgot the password")


• countersignature, countersign -- (a second confirming signature endorsing a document already signed)

Overview of verb countersign

The verb countersign has 1 sense

• countersign -- (add one's signature to after another's to attest authenticity; "You must countersign on this line of the contract")