/ Dictionary / Index J janiform: Meaning and Definition of Find definitions for: jan•i•form Pronunciation: ( jan'u-fôrm"), [key] — adj. Janus-faced. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Janie Janina Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language