Auricula

Part of speech: noun (n.)

1. A species of Primula, or primrose, called also, from the shape of its leaves, bear's-ear. (b)

2. A species of Hirneola (H. auricula), a membranaceous fungus, called also auricula Judæ, or Jew's-ear. P. Cyc.

3. A genus of air-breathing mollusks mostly found near the sea, where the water is brackish

4. One of the five arched processes of the shell around the jaws of a sea urchin.