/ Dictionary / Index S signor: Meaning and Definition of Find definitions for: si•gnor Pronunciation: (sēn'yôr, -yōr, sin-yôr', -yōr'It.sē-nyôr'), [key] — pl. -gnors, -gno•ri a conventional Italian term of address or title of respect for a man, either used separately or prefixed to the name. Abbr.: Sig., sig. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: signor (Thesaurus) sign-on signora Related Content Daily Word Quiz: verdant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language