English noun: cosigner | |||
1. | cosigner (person) one of two or more signers of the same document (as a treaty or declaration) | ||
Synonyms | cosignatory | ||
Broader (hypernym) | signatory, signer | ||
2. | cosigner (person) a signer in addition to the principal signer (to verify the authenticity of the principal signature or to provide surety) | ||
Broader (hypernym) | signatory, signer | ||