Cosigner
nounverified·updated May 18, 2026
a signer in addition to the principal signer (to verify the authenticity of the principal signature or to provide surety)
Framework senses
- §1
- one of two or more signers of the same document (as a treaty or declaration)
- §2
- a signer in addition to the principal signer (to verify the authenticity of the principal signature or to provide surety)