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Define the word Auricula

"Auricula" gcide "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]

"auricula" wn "WordNet (r) 2.0"

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