/ Dictionary / Index J Januarius: Meaning and Definition of Find definitions for: Jan•u•ar•i•us Pronunciation: ( jan"y-âr'ē-us), [key] a.d. 272?–305?, Italian ecclesiastic and martyr: patron saint of Naples. Italian, Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jansky January Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language