'Signor' definitions:
Definition of 'signor'
From: WordNet
noun
Used as an Italian courtesy title; can be prefixed to the name or used separately [syn: signor, signior]
Definition of 'Signor'
From: GCIDE
- Signor \Si*gnor"\, Signore \Si*gno"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]