[1] : The Collaborative International Dictionary of English v.0.48

signor \signor"\, signore \signo"re\, n. it. see seignior.
   sir; mr.; -- a title of address or respect among the
   italians. before a noun the form is signor.
   1913 webster
see also:
seignior 

[2] : WordNet (r) 2.0

signor
     n : used as an italian courtesy title; can be prefixed to the
         name or used separately syn: signior
see also:
signior 

Signor >> S Words
Signor, definition of term: Signor
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