A North American freshwater mussel of the family Unionidae; specifically Actinonaias ligamentina of the eastern United States or a related species, usually of the genus Lampsilis or Leptodea.
Origin
Early 20th century. Origin unknown.
Definition of mucket in US English:
mucket
(also mougat, mouket)
nounˈmʌkɪt
A North American freshwater mussel of the family Unionidae; specifically Actinonaias ligamentina of the eastern United States or a related species, usually of the genus Lampsilis or Leptodea.