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1. Of or relating to the sense of hearing or the organs of hearing.
2. Perceived by or spoken into the ear: an auricular confession.
3. Shaped like an ear or an earlobe; having earlike parts or extensions.
4. Of or relating to an auricle of the heart: auricular fibrillation.
[Middle English auriculer, spoken into the ear, from Late Latin auriculāris, from Latin auricula, ear; see auricle.]