n. [ So called from L. Midas, a man fabled to have had ass's ears. ] (Zool.) A genus of longeared South American monkeys, including numerous species of marmosets. See Marmoset. [ 1913 Webster ]
[ See Midas. ] (Zool.) A pulmonate mollusk (Auricula aurismidae or Ellobium aurismidae); -- so called from resemblance to a human ear. [ 1913 Webster ]