sig

Multiple Entries:
  sig    Sig.  

Concise Oxford English Dictionary © 2008 Oxford University Press:
sig/sɪɡ/

▶noun Computing, informal a short personalized message at the end of an email message.

– origin 1990s: abbrev. of signature.

Concise Oxford English Dictionary © 2008 Oxford University Press:
Sig./sɪɡ/

▶abbreviation Signor.