/ Dictionary / Index A auricle: Meaning and Definition of Find definitions for: au•ri•cle Pronunciation: (ôr'i-kul), [key] — n. the projecting outer portion of the ear; pinna. Also calledauricular appendage.an ear-shaped appendage projecting from each atrium of the heart. (loosely) the atrium. a part like or likened to an ear. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: auricle (Thesaurus) auric auricular Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language