v. t. [ imp. & p. p. Subsigned p. pr. & vb. n. Subsigning. ] [ L. subsignare; sub under + signare to mark: cf. F. soussigner. See Sign. ] To sign beneath; to subscribe. [ R. ] Camden. [ 1913 Webster ]

n. [ L. subsignatio. ] The act of writing the name under something, as for attestation. [ R. ] Shelton. [ 1913 Webster ]