countersign : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: countersign	by the DICT Development Group
3 results for countersign
From WordNet (r) 3.0 (2006) [wn]:
countersign n a secret word or phrase known only to a restricted group; "he forgot the password" Synonym(s): password, watchword, word, parole, countersign a second confirming signature endorsing a document already signed Synonym(s): countersignature, countersign v add one's signature to after another's to attest authenticity; "You must countersign on this line of the contract"
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
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.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
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. 2. (Mil.) A private signal, word, or phrase, which must be given in order to pass a sentry; a watchword.