The Collaborative International Dictionary of English v.0.48:

Auricular \Au*ric"u*lar\ ([add]*r[i^]k"[-u]*l[~e]r), a. [LL.
   auricularis: cf. F. auriculaire. See Auricle.]
   1. Of or pertaining to the ear, or to the sense of hearing;
      as, auricular nerves.
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   2. Told in the ear, i. e., told privately; as, auricular
      confession to the priest.
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            This next chapter is a penitent confession of the
            king, and the strangest . . . that ever was
            auricular.                            --Milton.
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   3. Recognized by the ear; known by the sense of hearing; as,
      auricular evidence. "Auricular assurance." --Shak.
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   4. Received by the ear; known by report. "Auricular
      traditions." --Bacon.
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   5. (Anat.) Pertaining to the auricles of the heart.
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   Auricular finger, the little finger; so called because it
      can be readily introduced into the ear passage.
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