Source : Free On-Line Dictionary of Computing

nym
     
        1.  /nim/ (From the third syllable of
        "anonymous"; or "nym server") A {server} that functions as an
        {anonymous remailer}.
     
        2. A popular {hostname} for nym servers.
     
        3. A mail-forwarding {account} on a {nym server}.
     
        (1999-02-26)