Un'der-sign', v. t.

( -sīn'), v. t. [imp. & p. p. UNDER-SIGNED; p. pr. & vb. n. UNDERSIGNING.] To write one's name at the foot or end of, as a letter or any legal instrument.

The undersigned, the person whose name is signed, or the persons whose names are signed, at the end; the subscriber or subscribers.