Auricula

1. n. One of the five arched processes of the shell around the jaws of a sea urchin.
2. n. A species of Primula, or primrose, called also, from the shape of its leaves, bear’s-ear.
3. n. A species of Hirneola (H. auricula), a membranaceous fungus, called also auricula Judae, or Jew’s-ear.
4. n. A genus of air-breathing mollusks mostly found near the sea, where the water is brackish

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.