Auricula

auricula
    n 1: yellow-flowered primrose native to Alps; commonly
         cultivated [syn: {auricula}, {bear's ear}, {Primula
         auricula}]
    2: a pouch projecting from the top front of each atrium of the
       heart [syn: {auricula}, {auricular appendage}, {auricular
       appendix}]
    

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]