cosigner(redirected from Cosigners)
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tr.v. co·signed, co·sign·ing, co·signs
1. To sign (a document) jointly.
2. To endorse (another's signature), as for a loan.
(Law) a cosignatory
co•sign•er(ˈkoʊˌsaɪ nər, koʊˈsaɪ-)
1. a cosignatory.
2. a joint signer of a negotiable instrument, esp. a promissory note.
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|Noun||1.||cosigner - one of two or more signers of the same document (as a treaty or declaration)|
|2.||cosigner - a signer in addition to the principal signer (to verify the authenticity of the principal signature or to provide surety)|