Webster's Revised Unabridged Dictionary · 1913

Jew's-ear

Jew's-ear , noun

(Botany) A widely distributed species of edible fungus (Auricularia auricula-judae, formerly Hirneola Auricula-Juda, or Hirneola Auricula), bearing some resemblance to the human ear and growing on decaying wood.

Also: Jew's-ears