Countersign
[n] a second confirming signature endorsing a document already signed
[n] a secret word or phrase known only to a restricted group; "he forgot the password"
[v] add one's signature to after another's to attest authenticity; "You must countersign on this line of the contract"
Related Information
Related Terms
accept, accredit, affirm, amen, approve, assure, authenticate, authorize, autograph, avouch, badge, calligram, calling card, card, certify, christcross, cipher, confirm, cosign, countermark, countersignature, counterstamp, credentials, cross, device, dog