noun (n)

• any of various large edible marine gastropods of the genus Haliotis having an ear-shaped shell with pearly interior(noun.animal)

  Synonym:
  ear-shell
  

  source: wordnet30
• A univalve mollusk of the genus Haliotis. The shell is lined with mother-of-pearl, and used for ornamental purposes; the sea-ear. Several large species are found on the coast of California, clinging closely to the rocks.(noun)

  source: webster1913