cosigner

• Personne qui signe un document avec une autre, souvent pour apporter une garantie ou attester de l'authenticité de la signature principale.

A noun referring to a person who signs a document jointly with another, often to provide surety or to verify the authenticity of the principal signature.

1. Joint signer of a documentB2formal

   A person who signs a document together with one or more other people, such as a treaty or declaration.

   cosignataire

   • The treaty was signed by the president and his cosigner.
   • Both parties acted as cosigners on the agreement.
   • The declaration required a cosigner to be valid.

   Synonymescosignatory

2. Additional signer for suretyB2formal

   A person who signs a document in addition to the principal signer, often to verify the authenticity of the signature or to provide financial guarantee.

   cosignataire (de caution)

   • The bank required a cosigner for the loan application.
   • She acted as a cosigner on her son's apartment lease.
   • The cosigner is responsible for the debt if the primary borrower defaults.

   Synonymescosignatoryguarantorsurety