\Mun"go\, n.
A fibrous material obtained by deviling rags or the remnants
of woolen goods.
Note: Mungo properly signifies the disintegrated rags of
      woolen cloth, as distinguished from those of worsted,
      which form shoddy. The distinction is very commonly
      disregarded. --Beck (Draper's Dict. ).

\Mun"go\, n.
A material of short fiber and inferior quality obtained by
deviling woolen rags or the remnants of woolen goods, specif.
those of felted, milled, or hard-spun woolen cloth, as
distinguished from {shoddy}, or the deviled product of
loose-textured woolen goods or worsted, -- a distinction
often disregarded.