signer

from WordNet (r) 3.0 (2006)

signer
    n 1: someone who can use sign language to communicate
    2: someone who signs and is bound by a document [syn: {signer},
       {signatory}]

from The Collaborative International Dictionary of English v.0.48

Signer \Sign"er\, n.
   One who signs or subscribes his name; as, a memorial with a
   hundred signers.
   [1913 Webster]

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