countersign
countersign, vb. To write one’s own name next to someone else’s to verify the other signer’s identity. [Cases: Signatures 1. C.J.S. Signatures §§ 1–16.] — countersignature, n.
countersign, vb. To write one’s own name next to someone else’s to verify the other signer’s identity. [Cases: Signatures 1. C.J.S. Signatures §§ 1–16.] — countersignature, n.