signore1

[sin-yawr-ey, -yohr-ey; Italian see-nyaw-re] /sɪnˈyɔr eɪ, -ˈyoʊr eɪ; Italian siˈnyɔ rɛ/
noun, plural signori
[sin-yawr-ee, -yohr-ee; Italian see-nyaw-ree] /sɪnˈyɔr i, -ˈyoʊr i; Italian siˈnyɔ ri/ (Show IPA)
1.
a conventional Italian title of respect for a man, usually used separately; signor.
Origin
1585-95; < Italian < Latin senior; see senior

signore2

[sin-yawr-ey, -yohr-ey; Italian see-nyaw-re] /sɪnˈyɔr eɪ, -ˈyoʊr eɪ; Italian siˈnyɔ rɛ/
noun
1.
a plural of signora.

signora

[sin-yawr-uh, -yohr-uh; Italian see-nyaw-rah] /sɪnˈyɔr ə, -ˈyoʊr ə; Italian siˈnyɔ rɑ/
noun, plural signoras Italian, signore
[see-nyaw-re] /siˈnyɔ rɛ/ (Show IPA)
1.
a conventional Italian term of address or title of respect for a married woman, either used separately or prefixed to the name.
Origin
1630-40; < Italian; feminine of signore signore1
British Dictionary definitions for signore

signore

/siːnˈjɔːriː; Italian siɲˈɲore/
noun (pl) -ri (-rɪ; Italian) (-ri)
1.
an Italian man: a title of respect equivalent to sir
Word Origin
Italian, ultimately from Latin senior an elder, from senex an old man

signora

/siːnˈjɔːrə; Italian siɲˈɲora/
noun (pl) -ras, -re (Italian) (-re)
1.
a married Italian woman: a title of address equivalent to Mrs when placed before a name or madam when used alone
Word Origin
Italian, feminine of signore