countersign
Explore definitions, synonyms, and language insights of countersign
Definitions
                    Noun
                    
                a secret word or phrase known only to a restricted group; "he forgot the password"
                
                    Noun
                    
                a second confirming signature endorsing a document already signed
                
                    Verb
                    
            add one''s signature to after another''s to attest authenticity; "You must countersign on this line of the contract"