/ Dictionary / Index A auriculin: Meaning and Definition of Find definitions for: au•ric•u•lin Pronunciation: (ô-rik'yu-lin), [key] — n. Biochem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. auriculate auriculoventricular Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language