'Countersign' definitions:

Definition of 'countersign'

From: WordNet
noun
A secret word or phrase known only to a restricted group; "he forgot the password" [syn: password, watchword, word, parole, countersign]
noun
A second confirming signature endorsing a document already signed [syn: countersignature, countersign]
verb
Add one's signature to after another's to attest authenticity; "You must countersign on this line of the contract"

Definition of 'Countersign'

From: GCIDE
  • Countersign \Coun`ter*sign"\ (-s?n`; 277), v. t. [imp. & p. p. Countersigned (-s?nd`); p. pr. & vb. n. Countersigning.] [Counter- + sign: cf. F. contresigner.] 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. [1913 Webster]

Definition of 'Countersign'

From: GCIDE
  • Countersign \Coun"ter*sign`\, a.
  • 1. The signature of a secretary or other officer to a writing signed by a principal or superior, to attest its authenticity. [1913 Webster]
  • 2. (Mil.) A private signal, word, or phrase, which must be given in order to pass a sentry; a watchword. [1913 Webster]

Synonyms of 'countersign'

From: Moby Thesaurus

Words containing 'Countersign'