Source : Webster's Revised Unabridged Dictionary (1913)

Jew's-ear \Jew's"-ear`\, n. (Bot.)
   A species of fungus ({Hirneola Auricula-Jud[ae], or
   Auricula}), bearing some resemblance to the human ear.

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} ({H. auricula}), a
          membranaceous fungus, called also {auricula Jud[ae]},
          or {Jew's-ear}. --P. Cyc.

   2. (Zo["o]l.)
      (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.

Source : WordNet®

Jew's-ear
     n : widely distributed edible fungus shaped like a human ear and
         growing on decaying wood [syn: {Jew's-ears}, {ear fungus},
          {Auricularia auricula}]