The Collaborative International Dictionary of English v.0.48:

Auricula \Au*ric"u*la\, n.; pl. L. Auricul[ae], E.
   Auriculas. [L. auricula. See Auricle.]
   1. (Bot.) (a) A species of Primula, or primrose, called
      also, from the shape of its leaves, bear's-ear.
      (b)
      (b) A species of Hirneola (Hirneola auricula), a
          membranaceous fungus, called also auricula Jud[ae],
          or Jew's-ear. --P. Cyc.
          [1913 Webster]

   2. (Zool.)
      (a) A genus of air-breathing mollusks mostly found near
          the sea, where the water is brackish.
      (b) One of the five arched processes of the shell around
          the jaws of a sea urchin.
          [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bear's-ear \Bear's-ear`\ (b[^a]rz"[=e]r`), n. (Bot.)
   A kind of primrose (Primula auricula), so called from the
   shape of the leaf.
   [1913 Webster]